Manual GMC 2004 Envoy

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GMC 2004 Envoy - page 1

Seats and Restraint Systems ........................... 1 - 1 Front Seats ............................................... 1 - 2 Rear Seats ............................................... 1 - 5 Safety Belts .............................................. 1 - 8 Child Restraints ....................................... 1-27 Air Bag Systems ............. ...
GMC 2004 Envoy - page 2

GENERAL MOTORS, GM, the GM Emblem, GMC, the GMC Truck Emblem and the name ENVOY/ENVOY XL are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles ﬁrst sold in Canada, substitute the name ...
GMC 2004 Envoy - page 3

Safety Warnings and Symbols You will ﬁnd a number of safety cautions in this book. We use a box and the word CAUTION to tell you about things that could hurt you if you were to ignore the warning. { CAUTION: These mean there is something that could hurt you or other people. In the caution area, we tell you what the hazard is. Then we tell you wha ...
GMC 2004 Envoy - page 4

Vehicle Damage Warnings Also, in this manual you will ﬁnd these notices: Notice: These mean there is something that could damage your vehicle. A notice tells about something that can damage your vehicle. Many times, this damage would not be covered by your vehicle’s warranty, and it could be costly. But the notice will tell you what to do to he ...
GMC 2004 Envoy - page 5

These are some examples of symbols that may be found on the vehicle: v ...
GMC 2004 Envoy - page 6

✍ NOTES vi ...
GMC 2004 Envoy - page 7

Front Seats ..................................................... .1-2 Power Seats ................................................. .1-2 Power Lumbar .............................................. .1-2 Heated Seats ................................................ .1-3 Power Reclining Seatbacks ............................. .1-4 Head Restraints ... ...
GMC 2004 Envoy - page 8

Front Seats Power Seats Your vehicle may have this feature. The power seat controls are located on the outboard side of the front seat cushions. The horizontal control adjusts the seat cushion and the vertical control adjusts the seatback. • Move the front of the horizontal seat control up or down to adjust the front portion of the cushion. • M ...
GMC 2004 Envoy - page 9

Heated Seats Your vehicle may have heated front seats. The buttons used to control this feature are located on the front door armrests. The engine must be running for the heated seat feature to work. To heat the entire seat, press the horizontal button with the heated seat symbol. Press the button repeatedly to cycle through the temperature setting ...
GMC 2004 Envoy - page 10

Power Reclining Seatbacks Your vehicle may have this feature. The vertical power seat control described earlier allows the seatback to recline. See Power Seats on page 1-2 for more information. But don’t have a seatback reclined if your vehicle is moving. { CAUTION: Sitting in a reclined position when your vehicle is in motion can be dangerous. E ...
GMC 2004 Envoy - page 11

Head Restraints Adjust your head restraint so that the top of the restraint is closest to the top of your head. This position reduces the chance of a neck injury in a crash. The head restraints lock into place when raised. To release the head restraint and lower it, press the tab located on the top of the seatback. Rear Seats Rear Seat Operation Yo ...
GMC 2004 Envoy - page 12

The rear seatback levers are located on the outboard side of the rear seatbacks. Pull the seatback toward you as you lift up on the lever. The head restraint will automatically fold out of the way when the seatback is folded down. To raise the seatbacks, lift up the seatbacks and push on them until they lock into the upright position. Push and pull ...
GMC 2004 Envoy - page 13

Rear Seats (Envoy XL) The second row seat is a 65/35 split seat which may be folded and tumbled. Use this feature for gaining access to the third row seats. To fold and tumble the second row seat(s), do the following: 1. Push the head restraints fully down. 2. Fold the seatback ﬂat on the seat by pulling up on the front part of the lever. The lev ...
GMC 2004 Envoy - page 14

Folding the Third Row Seats 1. Pull up on the handle located on the bottom of the seat cushion to release the seat cushion. 2. Lift up the seat, and then pull it forward. 3. Fold the seatback forward until it is ﬂat. 4. Unhook the elastic loop on the back of the seatback. 5. Fold the panel located on the back of the seatback to make a ﬂat surfa ...
GMC 2004 Envoy - page 15

{ CAUTION: It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision, people riding in these areas are more likely to be seriously injured or killed. Do not allow people to ride in any area of your vehicle that is not equipped with seats and safety belts. Be sure everyone in your vehicle is in a seat and usin ...
GMC 2004 Envoy - page 16

Why Safety Belts Work When you ride in or on anything, you go as fast as it goes. Take the simplest vehicle. Suppose it’s just a seat on wheels. Put someone on it. 1-10 ...
GMC 2004 Envoy - page 17

Get it up to speed. Then stop the vehicle. The rider doesn’t stop. The person keeps going until stopped by something. In a real vehicle, it could be the windshield... 1-11 ...
GMC 2004 Envoy - page 18

or the instrument panel... or the safety belts! With safety belts, you slow down as the vehicle does. You get more time to stop. You stop over more distance, and your strongest bones take the forces. That’s why safety belts make such good sense. 1-12 ...
GMC 2004 Envoy - page 19

Questions and Answers About Safety Belts Q: Won’t I be trapped in the vehicle after an accident if I’m wearing a safety belt? A: You could be — whether you’re wearing a safety belt or not. But you can unbuckle a safety belt, even if you’re upside down. And your chance of being conscious during and after an accident, so you can unbuckle an ...
GMC 2004 Envoy - page 20

How to Wear Safety Belts Properly This part is only for people of adult size. Be aware that there are special things to know about safety belts and children. And there are different rules for smaller children and babies. If a child will be riding in your vehicle, see Older Children on page 1-27 or Infants and Young Children on page 1-29 . Follow th ...
GMC 2004 Envoy - page 21

5. To make the lap part tight, pull up on the shoulder belt. The lap part of the belt should be worn low and snug on the hips, just touching the thighs. In a crash, this applies force to the strong pelvic bones. And you’d be less likely to slide under the lap belt. If you slid under it, the belt would apply force at your abdomen. This could cause ...
GMC 2004 Envoy - page 22

Q: What’s wrong with this? A: The shoulder belt is too loose. It won’t give nearly as much protection this way. { CAUTION: You can be seriously hurt if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should ﬁt against your body. 1-16 ...
GMC 2004 Envoy - page 23

Q: What’s wrong with this? A: The belt is buckled in the wrong place. { CAUTION: You can be seriously injured if your belt is buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not at the pelvic bones. This could cause serious internal injuries. Always buckle your belt into th ...
GMC 2004 Envoy - page 24

Q: What’s wrong with this? A: The shoulder belt is worn under the arm. It should be worn over the shoulder at all times. { CAUTION: You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would move too far forward, which would increase the chance of head and neck injury. Also, the belt would apply too muc ...
GMC 2004 Envoy - page 25

Q: What’s wrong with this? A: The belt is twisted across the body. { CAUTION: You can be seriously injured by a twisted belt. In a crash, you would not have the full width of the belt to spread impact forces. If a belt is twisted, make it straight so it can work properly, or ask your dealer to ﬁx it. 1-19 ...
GMC 2004 Envoy - page 26

To unlatch the belt, just push the button on the buckle. The belt should go back out of the way. Before you close the door, be sure the belt is out of the way. If you slam the door on it, you can damage both the belt and your vehicle. Safety Belt Use During Pregnancy Safety belts work for everyone, including pregnant women. Like all occupants, they ...
GMC 2004 Envoy - page 27

The best way to protect the fetus is to protect the mother. When a safety belt is worn properly, it’s more likely that the fetus won’t be hurt in a crash. For pregnant women, as for anyone, the key to making safety belts effective is wearing them properly. Right Front Passenger Position To learn how to wear the right front passenger’s safety ...
GMC 2004 Envoy - page 28

Lap-Shoulder Belt All rear seating positions have lap-shoulder belts. Here is how to wear one properly. 1. Pick up the latch plate and pull the belt across you. Do not let it get twisted. 2. Push the latch plate into the buckle until it clicks. Pull up on the latch plate to make sure it is secure. When the shoulder belt is pulled out all the way, i ...
GMC 2004 Envoy - page 29

The lap part of the belt should be worn low and snug on the hips, just touching the thighs. In a crash this applies force to the strong pelvic bones. And you would be less likely to slide under the lap belt. If you slid under it, the belt would apply force at your abdomen. This could cause serious or even fatal injuries. The shoulder belt should go ...
GMC 2004 Envoy - page 30

Rear Safety Belt Comfort Guides for Children and Small Adults Rear shoulder belt comfort guides provide added safety belt comfort for older children who have outgrown booster seats and for small adults. When attached to a shoulder belt, the comfort guide better positions the belt away from the neck and head. There is one guide for each of the rear ...
GMC 2004 Envoy - page 31

3. Your comfort guide may have an adjuster to lengthen or shorten the cord. If it does, you can adjust the cord by following these steps. 3.1. Squeeze and hold the ends of the lock (A) on the elastic cord. 3.2. Pull the loop to shorten the guide or pull the cord to lengthen the guide. 3.3. Release the lock. 4. Be sure that the belt is not twisted a ...
GMC 2004 Envoy - page 32

5. Buckle, position and release the safety belt as described in Rear Seat Passengers on page 1-21 . Make sure that the shoulder belt crosses the shoulder. To remove and store the comfort guides, squeeze the belt edges together so that you can take them out of the guides. Slide the guide back onto its storage clip or into its storage pocket. Safety ...
GMC 2004 Envoy - page 33

Child Restraints Older Children Older children who have outgrown booster seats should wear the vehicle’s safety belts. Q: What is the proper way to wear safety belts? A: If possible, an older child should wear a lap-shoulder belt and get the additional restraint a shoulder belt can provide. The shoulder belt should not cross the face or neck. The ...
GMC 2004 Envoy - page 34

{ CAUTION: Never do this. Here two children are wearing the same belt. The belt can not properly spread the impact forces. In a crash, the two children can be crushed together and seriously injured. A belt must be used by only one person at a time. Q: What if a child is wearing a lap-shoulder belt, but the child is so small that the shoulder belt i ...
GMC 2004 Envoy - page 35

{ CAUTION: Never do this. Here a child is sitting in a seat that has a lap-shoulder belt, but the shoulder part is behind the child. If the child wears the belt in this way, in a crash the child might slide under the belt. The belt’s force would then be applied right on the child’s abdomen. That could cause serious or fatal injuries. Wherever t ...
GMC 2004 Envoy - page 36

Every time infants and young children ride in vehicles, they should have the protection provided by appropriate restraints. Young children should not use the vehicle’s adult safety belts alone, unless there is no other choice. Instead, they need to use a child restraint. { CAUTION: People should never hold a baby in their arms while riding in a v ...
GMC 2004 Envoy - page 37

{ CAUTION: Children who are up against, or very close to, any air bag when it inﬂates can be seriously injured or killed. Air bags plus lap-shoulder belts offer outstanding protection for adults and older children, but not for young children and infants. Neither the vehicle’s safety belt system nor its air bag system is designed for them. Young ...
GMC 2004 Envoy - page 38

Q: What are the different types of add-on child restraints? A: Add-on child restraints, which are purchased by the vehicle’s owner, are available in four basic types. Selection of a particular restraint should take into consideration not only the child’s weight, height, and age but also whether or not the restraint will be compatible with the m ...
GMC 2004 Envoy - page 39

{ CAUTION: The body structure of a young child is quite unlike that of an adult or older child, for whom the safety belts are designed. A young child’s hip bones are still so small that the vehicle’s regular safety belt may not remain low on the hip bones, as it should. Instead, it may settle up around the child’s abdomen. In a crash, the bel ...
GMC 2004 Envoy - page 40

A rear-facing infant seat (B) provides restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a crash, acts to keep the infant positioned in the restraint. A forward-facing child seat (C-E) provides restraint for the child’s body with the harness and also sometimes with surfaces suc ...
GMC 2004 Envoy - page 41

A booster seat (F-G) is a child restraint designed to improve the ﬁt of the vehicle’s safety belt system. Some booster seats have a shoulder belt positioner, and some high-back booster seats have a ﬁve-point harness. A booster seat can also help a child to see out the window. Q: How do child restraints work? A: A child restraint system is any ...
GMC 2004 Envoy - page 42

When choosing a child restraint, be sure the child restraint is designed to be used in a vehicle. If it is, it will have a label saying that it meets federal motor vehicle safety standards. Then follow the instructions for the restraint. You may ﬁnd these instructions on the restraint itself or in a booklet, or both. These restraints use the belt ...
GMC 2004 Envoy - page 43

CAUTION: (Continued) If you secure a forward-facing child restraint in the right front seat, always move the front passenger seat as far back as it will go. It is better to secure the child restraint in a rear seat outside position. Wherever you install it, be sure to secure the child restraint properly. Keep in mind that an unsecured child restrai ...
GMC 2004 Envoy - page 44

In Canada, the law requires that forward-facing child restraints have a top strap, and that the strap be anchored. In the United States, some child restraints also have a top strap. If your child restraint has a top strap, it should be anchored. { CAUTION: Each top tether bracket is designed to anchor only one child restraint. Attaching more than o ...
GMC 2004 Envoy - page 45

Top Strap Anchor Location Envoy Anchor brackets for the rear seat positions are located on the ﬂoor in the cargo area of your vehicle (Envoy only). Do not use the rear tie-down brackets near the liftgate for top strap tethers. Do not secure a child restraint with a top strap in the right front passenger’s position if a national or local law req ...
GMC 2004 Envoy - page 46

Envoy XL An anchor bracket for a top strap is located at the bottom rear of the seat cushion for each seating position in the second row (Envoy XL only). Do not secure a child restraint with a top strap in the right front passenger’s position or in the third row seating positions if a national or local law requires that the top strap be anchored, ...
GMC 2004 Envoy - page 47

A. Lower Anchorage B. Lower Anchorage C. Top Tether A. Lower Anchorage B. Lower Anchorage In order to use the LATCH system in your vehicle, you need a child restraint designed for that system. 1-41 ...
GMC 2004 Envoy - page 48

To assist you in locating the lower anchors for this child restraint system, each seating position with the LATCH system has a label on the seatback at each lower anchor position. The labels are located near the base of the rear outside seat positions. { CAUTION: If a LATCH-type child restraint is not attached to its anchorage points, the restraint ...
GMC 2004 Envoy - page 49

Securing a Child Restraint in a Rear Outside Seat Position If your child restraint is equipped with the LATCH system, see Lower Anchorages and Top Tethers for Children (LATCH System) on page 1-40 . See Top Strap on page 1-37 if the child restraint has one. There are no top strap anchors at the third row seating positions. Do not secure a child seat ...
GMC 2004 Envoy - page 50

3. Buckle the belt. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if you ever had to. 4. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 1-44 ...
GMC 2004 Envoy - page 51

5. To tighten the belt, push down on the child restraint, pull the shoulder portion of the belt to tighten the lap portion of the belt and feed the shoulder belt back into the retractor. If you are using a forward-facing child restraint, you may ﬁnd it helpful to use your knee to push down on the child restraint as you tighten the belt. 6. Push a ...
GMC 2004 Envoy - page 52

Securing a Child Restraint in the Right Front Seat Position If your child restraint is equipped with the LATCH system, see Lower Anchorages and Top Tethers for Children (LATCH System) on page 1-40 . See Top Strap on page 1-37 if the child restraint has one. There is no top strap anchor in the right front passenger’s position. Do not secure a chil ...
GMC 2004 Envoy - page 53

A rear seat is a safer place to secure a forward-facing child restraint. If you need to secure a forward-facing child restraint in the right front seat, you will be using the lap-shoulder belt to secure the child restraint in this position. Be sure to follow the instructions that came with the child restraint. Secure the child in the child restrain ...
GMC 2004 Envoy - page 54

5. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 6. To tighten the belt, push down on the child restraint, pull the shoulder portion of the belt to tighten the lap portion of the belt and feed the shoulder belt back into the retractor. You may ﬁnd it helpful to use your knee to push down on the child restrai ...
GMC 2004 Envoy - page 55

7. Push and pull the child restraint in dif ferent directions to be sure it is secure. To remove the child restraint, just unbuckle the vehicle’s safety belt and let it go back all the way. The safety belt will move freely again and be ready to work for an adult or larger child passenger. Air Bag Systems This part explains the frontal and side im ...
GMC 2004 Envoy - page 56

Here are the most important things to know about the air bag systems: { CAUTION: You can be severely injured or killed in a crash if you are not wearing your safety belt – even if you have air bags. Wearing your safety belt during a crash helps reduce your chance of hitting things inside the vehicle or being ejected from it. Air bags are designed ...
GMC 2004 Envoy - page 57

{ CAUTION: Both frontal and side impact air bags inﬂate with great force, faster than the blink of an eye. If you are too close to an inﬂating air bag, as you would be if you were leaning forward, it could seriously injure you. Safety belts help keep you in position for air bag inﬂation before and during a crash. Always wear your safety belt, ...
GMC 2004 Envoy - page 58

There is an air bag readiness light on the instrument panel cluster, which shows the air bag symbol. The system checks the air bag electrical system for malfunctions. The light tells you if there is an electrical problem. See Air Bag Readiness Light on page 3-38 for more information. Where Are the Air Bags? The driver’s frontal air bag is in the ...
GMC 2004 Envoy - page 59

The right front passenger’s frontal air bag is in the instrument panel on the passenger’s side. If your vehicle has a driver’s side impact air bag it is located in the side of the driver’s seatback closest to the door. 1-53 ...
GMC 2004 Envoy - page 60

If your vehicle has a right front passenger’s side impact air bag it is located in the side of the passenger’s seatback closest to the door. { CAUTION: If something is between an occupant and an air bag, the bag might not inﬂate properly or it might force the object into that person causing severe injury or even death. The path of an inﬂati ...
GMC 2004 Envoy - page 61

When Should an Air Bag Inﬂate? The driver’s and right front passenger’s frontal air bags are designed to inﬂate in moderate to severe frontal or near-frontal crashes. But they are designed to inﬂate only if the impact speed is above the system’s designed “threshold level.” In addition, your vehicle has “dual stage” frontal air b ...
GMC 2004 Envoy - page 62

What Makes an Air Bag Inﬂate? In an impact of suff icient severity, the air bag sensing system detects that the vehicle is in a crash. For both frontal and side impact air bags, the sensing system triggers a release of gas from the inﬂator, which inﬂates the air bag. The inﬂator, the air bag and related hardware are all part of the air bag ...
GMC 2004 Envoy - page 63

What Will You See After an Air Bag Inﬂates? After the air bag inﬂates, it quickly deﬂates, so quickly that some people may not even realize the air bag inﬂated. Some components of the air bag module will be hot for a short time. These components include the steering wheel hub for the driver’s frontal air bag and the instrument panel for t ...
GMC 2004 Envoy - page 64

In many crashes severe enough to inﬂate an air bag, windshields are broken by vehicle deformation. Additional windshield breakage may also occur from the right front passenger air bag. • Air bags are designed to inﬂate only once. After an air bag inﬂates, you’ll need some new parts for your air bag system. If you don’t get them, the air ...
GMC 2004 Envoy - page 65

Servicing Your Air Bag-Equipped Vehicle Air bags affect how your vehicle should be serviced. There are parts of the air bag systems in several places around your vehicle. Your dealer and the service manual have information about servicing your vehicle and the air bag systems. To purchase a service manual, see Service Publications Ordering Informati ...
GMC 2004 Envoy - page 66

Replacing Restraint System Parts After a Crash { CAUTION: A crash can damage the restraint systems in your vehicle. A damaged restraint system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure your restraint systems are working properly after a crash, have them inspected and any ne ...
GMC 2004 Envoy - page 67

Keys .............................................................. .2-3 Remote Keyless Entry System ........................ .2-5 Remote Keyless Entry System Operation .......... .2-6 Doors and Locks ............................................ .2-8 Power Door Locks ......................................... .2-9 Delayed Locking ................... ...
GMC 2004 Envoy - page 68

OnStar ® System ............................................ .2-40 HomeLink ® Transmitter .................................. .2-42 Programming the HomeLink ® Transmitter ........ .2-43 Storage Areas ............................................... .2-46 Glove Box .................................................. .2-46 Overhead Console .......... ...
GMC 2004 Envoy - page 69

Keys { CAUTION: Leaving children in a vehicle with the ignition key is dangerous for many reasons. They could operate the power windows or other controls or even make the vehicle move. The children or others could be badly injured or even killed. Do not leave the keys in a vehicle with children. 2-3 ...
GMC 2004 Envoy - page 70

This vehicle has one double-sided key for the ignition and door lock. It will ﬁt with either side up. When a new vehicle is delivered, the dealer provides the owner with a pair of identical keys and a key code number. The key code number tells your dealer or a qualiﬁed locksmith how to make extra keys. Keep this number in a safe place. If you l ...
GMC 2004 Envoy - page 71

Remote Keyless Entry System Your keyless entry system operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry Canada. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause interference, and 2. This device must accept any ...
GMC 2004 Envoy - page 72

Remote Keyless Entry System Operation If your vehicle has this feature, you can lock and unlock your doors from about 3 feet (1 m) up to 30 feet (9 m) away using the remote keyless entry transmitter supplied with your vehicle. K (Unlock): Press unlock for the driver’s door to unlock automatically, the parking lamps to ﬂash and the interior ligh ...
GMC 2004 Envoy - page 73

Battery Replacement Under normal use, the battery in your remote keyless entry transmitter should last about two years. You can tell the battery is weak if the transmitter won’t work at the normal range in any location. If you have to get close to your vehicle before the transmitter works, it’s probably time to change the battery. The Driver In ...
GMC 2004 Envoy - page 74

Doors and Locks { CAUTION: Unlocked doors can be dangerous. • Passengers — especially children — can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it. You increase the chance of being thrown out of the vehicle in a crash if the doors are not locked. So, wear safety belts properly and l ...
GMC 2004 Envoy - page 75

You can lock or unlock the door from the inside by sliding the manual lever forward or rearward. When the door is unlocked, you can see a red area on the lever. The manual lever on each door works only that door’s lock. Power Door Locks The power door lock switches are located on the driver’s and front passenger’s armrests. Remove the ignitio ...
GMC 2004 Envoy - page 76

Delayed Locking This feature delays the locking of the doors and the liftgate when using the power lock or the remote keyless entry system. The ﬁrst time you attempt to lock the doors with the driver’s door open, three chimes will signal that delayed locking is being used. This can be performed by using either power lock switch or the remote ke ...
GMC 2004 Envoy - page 77

Programmable Locking Feature The following is the list of available programming options: Mode 1: All doors lock when the transmission is shifted into gear. Mode 2: All doors lock when the vehicle speed is greater than 8 mph (13 km/h). Mode 3: No automatic door locking. The automatic door locks were pre-programmed at the factory to lock all the door ...
GMC 2004 Envoy - page 78

Programmable Unlocking Feature The following is the list of available programming options: Mode 1: Driver’s door unlocks when the transmission is shifted into PARK (P). Mode 2: All doors unlock when the transmission is shifted into PARK (P). Mode 3: All doors unlock when the key is removed from the ignition. Mode 4: No automatic door unlock. The ...
GMC 2004 Envoy - page 79

Rear Door Security Locks Your vehicle may have this feature. You can lock the rear doors so they can’t be opened from the inside by passengers. To use one of these locks do the following: 1. Open one of the rear doors. You will ﬁnd a security lock lever located on the inside edge of each rear door. 2. Move the lever down to engage the safety lo ...
GMC 2004 Envoy - page 80

Liftgate/Liftglass { CAUTION: It can be dangerous to drive with the liftgate or liftglass open because carbon monoxide (CO) gas can come into your vehicle. You can not see or smell CO. It can cause unconsciousness and even death. If you must drive with the liftgate open or if electrical wiring or other cable connections must pass through the seal b ...
GMC 2004 Envoy - page 81

Windows { CAUTION: Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. 2-15 ...
GMC 2004 Envoy - page 82

Power Windows The controls for the power windows are located on the armrest on each of the side doors. With power windows, the switches operate the windows when the ignition is in RUN, ACCESSORY or when Retained Accessory Power (RAP) is active. See “Retained Accessory Power (RAP)” under Ignition Positions on page 2-20 . The driver’s door has ...
GMC 2004 Envoy - page 83

Sun Visors To block out glare, you can pull the visor down. You can also slide the visor along the rod from side-to-side to cover the driver or passenger front window. Visor Vanity Mirror Pull the sun visor down to expose the vanity mirror. Lighted Visor Vanity Mirror Your vehicle may have this feature. Pull the sun visor down and lift the mirror c ...
GMC 2004 Envoy - page 84

If a locked door is opened without the key or the remote keyless entry transmitter, the alarm will go off. The headlamps and parking lamps will ﬂash for two minutes, and the horn will sound for 30 seconds, then will turn off to save the battery power. Remember, the theft-deterrent system won’t activate if you lock the doors with a key or use th ...
GMC 2004 Envoy - page 85

Passlock ® Your vehicle is equipped with the Passlock ® theft-deterrent system. Passlock ® is a passive theft-deterrent system that enables fuel if the ignition lock cylinder is turned with a valid key. If a correct key is not used or the ignition lock cylinder is tampered with, the fuel system is disabled and the vehicle will not start. During ...
GMC 2004 Envoy - page 86

Ignition Positions Use the key to turn the ignition switch to four different positions. A (LOCK): This position locks the ignition and transmission. It’s a theft-deterrent feature. You will only be able to remove the key when the ignition is turned to LOCK. Notice: If your key seems stuck in LOCK and you can not turn it, be sure you are using the ...
GMC 2004 Envoy - page 87

Retained Accessory Power (RAP) Your vehicle is equipped with a Retained Accessory Power (RAP) feature which will allow certain features of your vehicle to continue to work up to 20 minutes after the ignition key is turned to LOCK. Your radio, power windows, sunroof (option) and overhead console will work when the ignition key is in RUN or ACCESSORY ...
GMC 2004 Envoy - page 88

When starting your engine in very cold weather (below 0°F or − 18°C), do this: 1. With your foot of f the accelerator pedal, turn the ignition key to START and hold it there up to 15 seconds. When the engine starts, let go of the key. 2. If your engine still won’t start (or starts but then stops), it could be ﬂooded with too much gasoline. ...
GMC 2004 Envoy - page 89

Engine Coolant Heater Your vehicle may have this feature. In very cold weather, 0°F (-18°C) or colder, the engine coolant heater can help. You’ll get easier starting and better fuel economy during engine warm-up. Usually, the coolant heater should be plugged in a minimum of four hours prior to starting your vehicle. At temperatures above 32°F ...
GMC 2004 Envoy - page 90

Automatic Transmission Operation There are several different positions for your gear shift lever. PARK (P): This position locks the rear wheels. It’s the best position to use when you start the engine because your vehicle can’t move easily. { CAUTION: It is dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with th ...
GMC 2004 Envoy - page 91

REVERSE (R): Use this gear to back up. Notice: Shifting to REVERSE (R) while your vehicle is moving forward could damage the transmission. The repairs would not be covered by your warranty. Shift to REVERSE (R) only after your vehicle is stopped. To rock your vehicle back and forth to get out of snow, ice or sand without damaging your transmission, ...
GMC 2004 Envoy - page 92

SECOND (2): This position gives you more power but lower fuel economy than THIRD (3). You can use SECOND (2) on hills. It can help control your speed as you go down steep mountain roads, but then you would also want to use the brakes off and on. You can also use SECOND (2) for starting the vehicle from a stop on slippery road surfaces. FIRST (1): T ...
GMC 2004 Envoy - page 93

2HI (Two-Wheel High): This setting is for driving in most street and highway situations. Your front axle is not engaged in two-wheel drive. It also provides the best fuel economy. A4WD (Automatic Four-Wheel Drive): This setting is ideal for use when road conditions are variable. When driving your vehicle in A4WD, the front axle is engaged, but the ...
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If the service four-wheel drive light on the instrument panel cluster stays on, you should take your vehicle to your dealer for service. See Service Four-Wheel Drive Warning Light on page 3-48 for further information. Shifting into 4HI or A4WD Turn the knob to 4HI or A4WD. This can be done at any speed unless you are shifting out of 4LO. The indica ...
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Shifting into NEUTRAL Before shifting the transfer case to NEUTRAL, ﬁrst make sure the vehicle is parked so that it will not roll. 1. Set the parking brake. 2. Start the vehicle. 3. Put the transmission in NEUTRAL (N). 4. Shift the transfer case to 2HI. 5. Turn the transfer case knob all of the way past 4LO and hold it there for a minimum of 10 s ...
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To release the parking brake, hold the regular brake pedal down. Pull the parking brake lever up until you can press in the button at the end of the lever. Hold the button in as you move the parking brake lever all the way down. Notice: Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake syste ...
GMC 2004 Envoy - page 97

Shifting Into Park (P) { CAUTION: It can be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake ﬁrmly set. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle will not move, even when you are on fairly ...
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Leaving Your Vehicle With the Engine Running { CAUTION: It can be dangerous to leave your vehicle with the engine running. Your vehicle could move suddenly if the shift lever is not fully in PARK (P) with the parking brake ﬁrmly set. If you have four-wheel drive, your vehicle will be free to roll – even if your lever is in PARK (P) – if your ...
GMC 2004 Envoy - page 99

Shifting Out of Park (P) Your vehicle has an automatic transmission shift lock control system. You have to fully apply the regular brakes before you can shift from PARK (P) when the ignition is in RUN. See Automatic Transmission Operation on page 2-24 . Parking Over Things That Burn { CAUTION: Things that can burn could touch hot exhaust parts unde ...
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Engine Exhaust { CAUTION: Engine exhaust can kill. It contains the gas carbon monoxide (CO), which you can not see or smell. It can cause unconsciousness and death. You might have exhaust coming in if: • Your exhaust system sounds strange or different. • Your vehicle gets rusty underneath. • Your vehicle was damaged in a collision. • Your v ...
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{ CAUTION: It can be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake ﬁrmly set. Your vehicle can roll. Do not leave your vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your ...
GMC 2004 Envoy - page 102

Mirrors Automatic Dimming Rearview Mirror with OnStar ® and Compass Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar ® system. There are three additional buttons for the OnStar ® system. See your dealer for more information on the system and how to subscribe to OnStar ® . See OnStar ® System on page 2-40 ...
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Compass Variance Compass variance is the difference between earth’s magnetic north and true geographic north. The mirror is set to zone eight upon leaving the factory. It will be necessary to adjust the compass to compensate for compass variance if you live outside zone eight. Under certain circumstances, such as during a long distance cross-coun ...
GMC 2004 Envoy - page 104

Outside Manual Mirrors Adjust your outside mirrors so you can see a little of the side of your vehicle. Fold the mirrors in before entering a car wash. To do this, pull the mirrors in toward the vehicle. Push the mirrors back out when ﬁnished. Outside Power Mirrors Your vehicle may have this feature. The control is located on the driver’s door. ...
GMC 2004 Envoy - page 105

Outside Curb View Assist Mirrors If your vehicle has this feature, the driver’s and/or passenger’s outside mirror will adjust to a preset tilt position while the vehicle is in REVERSE (R) gear. Curb view assist may be useful when you are parallel parking. The mirror(s) will return to normal position when the vehicle is shifted out of REVERSE (R ...
GMC 2004 Envoy - page 106

OnStar ® System Your vehicle may have this feature. OnStar ® uses global positioning system (GPS) satellite technology, wireless communications, and state of the art call centers to provide you with a wide range of safety, security, information and convenience services. A complete OnStar ® user’s guide and the terms and conditions of the OnSta ...
GMC 2004 Envoy - page 107

• Remote Door Unlock • Remote Diagnostics • Online Concierge Directions and Connections Plan • All Safe and Sound Plan services • Route Support • RideAssist • Information and Convenience Services Luxury and Leisure Plan • All Directions and Connections Plan services • Personal Concierge OnStar ® Personal Calling With OnStar ® Pe ...
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HomeLink ® Transmitter HomeLink ® , a combined universal transmitter and receiver, provides a way to replace up to three hand − held transmitters used to activate devices such as gate operators, garage door openers, entry door locks, security systems and home lighting. Additional HomeLink ® information can be found on the internet at www.homel ...
GMC 2004 Envoy - page 109

Programming the HomeLink ® Transmitter Do not use the HomeLink ® Transmitter with any garage door opener that does not have the “stop and reverse” feature. This includes any garage door opener model manufactured before April 1, 1982. If you have a newer garage door opener with rolling codes, please be sure to follow steps 6 through 8 to compl ...
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5. Press and hold the newly-trained HomeLink ® button and observe the indicator light. If the indicator light stays on constantly, programming is complete and your device should activate when the HomeLink ® button is pressed and released. To program the remaining two HomeLink ® buttons, begin with Step 2 under “Programming HomeLink ® .” Do ...
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Gate Operator and Canadian Programming Canadian radio-frequency laws require transmitter signals to “time out” or quit after several seconds of transmission. This may not be long enough for HomeLink ® to pick up the signal during programming. Similarly, some U.S. gate operators are manufactured to “time out” in the same manner. If you live ...
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Reprogramming a Single HomeLink ® Button To program a device to HomeLink ® using a HomeLink ® button previously trained, follow these steps: 1. Press and hold the desired HomeLink ® button. Do not release the button. 2. The indicator light will begin to ﬂash after 20 seconds. While still holding the HomeLink ® button, proceed with Step 2 und ...
GMC 2004 Envoy - page 113

Sunglasses Storage Compartment To open the sunglasses storage compartment in the overhead console, press the release button. Then pull the compartment down. Travel Note Recorder Your vehicle may have this feature. O (Record): To record a message, press this button and begin speaking. Press the button again to stop recording. You may also press and ...
GMC 2004 Envoy - page 114

Luggage Carrier { CAUTION: If you try to carry something on top of your vehicle that is longer or wider than the luggage carrier — like paneling, plywood, a mattress and so forth — the wind can catch it as you drive along. This can cause you to lose control. What you are carrying could be violently torn off, and this could cause you or other dr ...
GMC 2004 Envoy - page 115

Rear Storage Area Rear Compartment Storage Panel/Cover Your vehicle may have this feature. This shelf position is used as a cargo shade. Insert the front corners of the panel into the top guides and slide the panel forward. Press down on the back of the panel to lock it in place. { CAUTION: If you were to carry things on the adjustable panel when i ...
GMC 2004 Envoy - page 116

To prevent soiling the carpet, the panel may be installed either side up. Insert the front corners of the panel into the lower guides and slide the panel forward. Press down on the back of the panel to lock it in place. Notice: Loading objects that weigh over 200 lbs (90 kg) onto the panel may cause damage. Repairs would not be covered by your warr ...
GMC 2004 Envoy - page 117

Rear Floor Storage Lid { CAUTION: If any removable convenience item is not secured properly, it can move around in a collision or sudden stop. People in the vehicle could be injured. Be sure to secure any such item properly. Your vehicle has a rear cargo area with a removeable storage lid. To remove the rear ﬂoor storage lid, do the following: 1. ...
GMC 2004 Envoy - page 118

Cargo Cover If your vehicle has a cargo cover, you can use it to cover items in the cargo area of your vehicle. To install the cargo cover, do the following: 1. Align the endcap with the pocket in the trim panel located behind the rear seat. 2. Compress the opposite endcap, align it with the pocket located on the opposite side of the trim panel and ...
GMC 2004 Envoy - page 119

Sunroof Your vehicle may be equipped with a power sliding sunroof. To open or close your sunroof, the ignition must be on or Retained Accessory Power (RAP) must be active. Press and release the back of the button in the overhead console to open the sunroof. Press the front of the button to close the sunroof. Once the sunroof is closed, press the fo ...
GMC 2004 Envoy - page 120

A second mirror position, seating position and adjustable pedal position can be programmed by repeating the procedure with a second driver and pressing button 2 for three seconds. Each time button 1 or 2 is pressed and released while the vehicle is in PARK (P), a single chime will sound, and the memory position will be recalled. If you use the unlo ...
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Instrument Panel Overview .............................. .3-4 Hazard Warning Flashers ............................... .3-6 Other Warning Devices .................................. .3-6 Horn ............................................................ .3-7 Tilt Wheel .................................................... .3-7 Turn Signal/Multifunction ...
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Radio with Six-Disc CD ................................ .3-92 Navigation/Radio System ............................. .3-106 Rear Seat Entertainment System .................. .3-106 Rear Seat Audio (RSA) ............................... .3-117 Radio Personalization ................................. .3-119 Theft-Deterrent Feature ...................... ...
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✍ NOTES 3-3 ...
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Instrument Panel Overview 3-4 ...
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The main components of your instrument panel are the following: A. Exterior Lamp Controls. See Exterior Lamps on page 3-16 . B. Air Outlets. See “Outlet Adjustment” under Dual Climate Control System on page 3-22 . C. Turn Signal/Multifunction Lever. See Turn Signal/Multifunction Lever on page 3-7 . D. OnStar and Audio Steering Wheel Controls. S ...
GMC 2004 Envoy - page 126

Hazard Warning Flashers Your hazard warning ﬂashers let you warn others. They also let police know you have a problem. Your front and rear turn signal lamps will ﬂash on and off. The button for the hazard warning ﬂashers is located on top of the steering column. The hazard warning ﬂashers work no matter what position your key is in, and eve ...
GMC 2004 Envoy - page 127

Horn To sound the horn, press the horn symbols on the steering wheel pad. Tilt Wheel You should adjust the steering wheel before you drive. The tilt lever is located to the left of the steering column, under the turn signal lever. You can raise it to the highest level to give your legs more room when you enter and exit the vehicle. To tilt the whee ...
GMC 2004 Envoy - page 128

Turn and Lane Change Signals The turn signal has two upward (for right) and two downward (for left) positions. These positions allow you to signal a turn or a lane change. To signal a turn, move the lever all the way up or down. When the turn is ﬁnished, the lever will return automatically. An arrow on the instrument panel cluster will ﬂash in ...
GMC 2004 Envoy - page 129

Turn Signal On Chime If your turn signal is left on for more than 3/4 of a mile (1.2 km), a chime will sound at each ﬂash of the turn signal. To turn off the chime, move the turn signal lever to the off position. Headlamp High/Low-Beam Changer To change the headlamps from low to high beam, push the lever toward the instrument panel. To return to ...
GMC 2004 Envoy - page 130

Windshield Wipers 8 (Mist): For a single wiping cycle, turn the band to mist. Hold it there until the wipers start. Then let go. The wipers will stop after one wipe. If you want more wipes, hold the band on mist longer. 9 (Off): To stop the wipers, move the band to of f. N (Windshield Wipers): Turn the band to control the windshield wipers. You can ...
GMC 2004 Envoy - page 131

Windshield Washer L (Windshield Washer): To spray washer ﬂuid on the windshield, press the windshield washer paddle. The wipers will clear the window and then either stop or return to your preset speed. { CAUTION: In freezing weather, do not use your washer until the windshield is warmed. Otherwise the washer ﬂuid can form ice on the windshield ...
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Headlamp Washer Your vehicle may be equipped with a headlamp washer system. The button to operate this feature is located on the instrument panel and functions separately from your other washer systems. To wash your headlamps, press the headlamp washer button brieﬂy and release to activate the system. Two pressurized bursts of washer ﬂuid will ...
GMC 2004 Envoy - page 133

9 (Off): This position turns the cruise control system off and cancels memory of a set speed. With cruise control, you can maintain a speed of about 25 mph (40 km/h) or more without keeping your foot on the accelerator. This can really help on long trips. Cruise control does not work at speeds below about 25 mph (40 km/h). If you apply your brakes, ...
GMC 2004 Envoy - page 134

Setting Cruise Control 1. Move the cruise control switch to on. 2. Get up to the speed you want. 3. Press the set button at the end of the lever and release it. 4. Take your foot of f the accelerator pedal. The accelerator pedal will not go down. The cruise light on the instrument panel cluster will come on when the cruise control is engaged. Resum ...
GMC 2004 Envoy - page 135

• Move the cruise switch from on to resume/ accelerate. Hold it there until you get up to the speed you want, and then release the switch. To increase your speed in very small amounts, move the switch brieﬂy to resume/accelerate. Each time you do this, your vehicle will go about 1 mph (1.6 km/h) faster. Reducing Speed While Using Cruise Control ...
GMC 2004 Envoy - page 136

Exterior Lamps Your exterior lamps knob is located on your instrument panel to the left of the steering wheel. c (Off): Turn the knob to this symbol and release it to turn off the Daytime Running Lamps (DRL) and the automatic headlamps. An indicator will illuminate when the position is selected. This position is not available for vehicles ﬁrst so ...
GMC 2004 Envoy - page 137

If you start your vehicle in a dark garage, the automatic headlamp system will come on immediately. Once you leave the garage, it will take about one minute for the automatic headlamp system to change to DRL if it is light outside. During that delay, your instrument panel cluster may not be as bright as usual. Make sure your instrument panel bright ...
GMC 2004 Envoy - page 138

Fog Lamps Your vehicle may have this feature. Use your fog lamps for better vision in foggy or misty conditions. Your ignition must be in RUN for your fog lamps to work. The fog lamp button is located on the instrument panel to the right of the exterior lamps knob. Press the button to turn the fog lamps on. Press the button again to turn them off. ...
GMC 2004 Envoy - page 139

Dome Lamp Override The dome override button is located below the exterior lamps knob. To turn the dome lamps off, press the button. The dome lamps will remain off when a door is open. This will override the illuminated entry feature unless you use your keyless entry transmitter to unlock the vehicle. To return the lamps to automatic operation, pres ...
GMC 2004 Envoy - page 140

Reading Lamps Press the lens on the lamp located above the doors to turn the reading lamps on and off. Dome Lamps The dome lamps will come on when you open a door unless the dome lamp override is pressed in. You can also turn the dome lamps on by turning the thumbwheel, located next to the exterior lamps knob, all the way up to the top detent posit ...
GMC 2004 Envoy - page 141

Accessory Power Outlets Your vehicle may have accessory power outlets. With the accessory power outlets, you can plug in auxiliary electrical equipment such as a cellular telephone or CB radio. The ﬁrst two outlets are located below the cigarette lighter and the rear wiper switch on the instrument panel. The third outlet is located on the rear of ...
GMC 2004 Envoy - page 142

Climate Controls Dual Climate Control System With this system you can control the heating, cooling and ventilation for your vehicle. 9 (Fan): Turn the left knob clockwise or counterclockwise to increase or decrease the fan speed. If the knob is in off mode, outside air will still enter the vehicle, and will be directed based on the position of the ...
GMC 2004 Envoy - page 143

Temperature Control Driver’s Side: The lever on the left side of the climate control panel is used to raise or lower the temperature on the driver’s side of the vehicle. Slide the lever up or down to adjust the temperature. Passenger’s Side: The lever on the right side of the climate control panel is used to raise or lower the temperature on ...
GMC 2004 Envoy - page 144

Rear Window Defogger Your vehicle may have this feature. The lines you see on the rear window warm the glass. < (Rear): Press this button to turn the rear window defogger on or off. An indicator light in the button will come on to let you know that the rear window defogger is active. The rear window defogger will automatically turn off approxima ...
GMC 2004 Envoy - page 145

Operation Tips • Keep the hood and front air inlets free of ice, snow, or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. • When you enter a vehicle in cold weather, turn the fan knob all the way to the right for a few moments before driving. This ...
GMC 2004 Envoy - page 146

Outside Air Temperature Display A new outside temperature reading will be displayed if the vehicle has been off for more than three hours. If the vehicle has been off for less than three hours, the old temperature reading may be displayed because underhood heat is affecting the true outside temperature. Since underhood heat can also affect the outs ...
GMC 2004 Envoy - page 147

Automatic Operation AUTO (Automatic): When automatic operation is active, the system will control the inside temperature, the air delivery mode, and the fan speed. Use the steps below to place the entire system in automatic mode: 1. Press the AUTO button. When AUTO is selected, the air conditioning operation and air inlet mode will be automatically ...
GMC 2004 Envoy - page 148

6 (Floor): This mode directs most of the air to the ﬂoor outlets. Some air also comes out of the defroster and side window outlets. The recirculation button cannot be selected in ﬂoor mode. h (Recirculation): Press this button to turn recirculation mode on or off. When this button is pressed, an indicator light in the button will also come on t ...
GMC 2004 Envoy - page 149

Defogging and Defrosting Fog on the inside of windows is a result of high humidity (moisture) condensing on the cool window glass. This can be minimized if the climate control system is used properly. You can use either defog or front defrost to clear fog or frost from your windshield. - (Defog): Use this setting to clear the windows of fog or mois ...
GMC 2004 Envoy - page 150

Outlet Adjustment Use the air outlets located in the center and on the side of your instrument panel to direct the airﬂow. Ventilation System For mild outside temperatures when little heating or cooling is needed, use the vent setting to direct outside air through your vehicle. Your vehicle’s ventilation system supplies outside air to the insid ...
GMC 2004 Envoy - page 151

Rear Climate Control System Your Envoy has one of the following rear climate control systems. With any of these systems, the rear climate controls will be disabled when the front climate control system is in defrost. This occurs to provide maximum airﬂow to clear the windshield. The temperature of the air coming through the rear outlets is determ ...
GMC 2004 Envoy - page 152

Envoy XL To operate the rear air conditioning system, the front air conditioning system must be on. With the front air conditioning system off, the rear system controls can only be used to circulate air in the rear of the vehicle. To adjust the airﬂow speed, turn the fan knob (driver override switch), located on the ﬂoor console to 1, 2 or 3. T ...
GMC 2004 Envoy - page 153

Turn the knobs on the control panel to choose a fan speed, temperature and direction of airﬂow. Selecting panel mode will deliver air to the four headliner outlets. Selecting bi-level mode will deliver warmer air to the third seat ﬂoor outlet and cooler air to the headliner outlets. Selecting ﬂoor mode will deliver air to the ﬂoor outlet lo ...
GMC 2004 Envoy - page 154

Outlet Adjustment Your vehicle may have rear seat outlets that can be used to adjust the airﬂow toward either seating area, the ﬂoor or upward. Move the control in the center of each outlet in any direction to direct airﬂow. Climate Controls Personalization If your vehicle is equipped with the Driver Information Center (DIC), you can store an ...
GMC 2004 Envoy - page 155

Warning Lights, Gages, and Indicators This part describes the warning lights and gages that may be on your vehicle. The pictures will help you locate them. Warning lights and gages can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to your warning lights and gages could ...
GMC 2004 Envoy - page 156

Instrument Panel Cluster Your instrument panel cluster is designed to let you know at a glance how your vehicle is running. You’ll know how fast you’re going, about how much fuel you’ve used, and many other thing you’ll need to know to drive safely and economically. United States version shown, Canada similar 3-36 ...
GMC 2004 Envoy - page 157

Speedometer and Odometer Your speedometer lets you see your speed in both miles per hour (mph) and kilometers per hour (km/h). Your odometer shows how far your vehicle has been driven, in either miles (used in the United States) or kilometers (used in Canada). The odometer mileage can be checked without the vehicle running. Simply press the trip st ...
GMC 2004 Envoy - page 158

Safety Belt Reminder Light When the key is turned to RUN, a chime will come on for several seconds to remind people to fasten their safety belts, unless the driver’s safety belt is already buckled. The safety belt light will also come on and stay on for several seconds, then it will ﬂash for several more. If the driver’s belt is already buckl ...
GMC 2004 Envoy - page 159

{ CAUTION: If the air bag readiness light stays on after you start your vehicle, it means the air bag system may not be working properly. The air bags in your vehicle may not inﬂate in a crash, or they could even inﬂate without a crash. To help avoid injury to yourself or others, have your vehicle serviced right away if the air bag readiness li ...
GMC 2004 Envoy - page 160

Voltmeter Gage When your engine is not running, but the ignition is on (in RUN), this gage shows your battery’s state of charge in DC volts. When the engine is running, the gage shows the condition of the charging system. Readings between the low and high warning zones indicate the normal operating range. Readings in the low warning zone may occu ...
GMC 2004 Envoy - page 161

If the warning light comes on, there could be a brake problem. Have your brake system inspected right away. This light should come on brieﬂy when you turn the ignition key to RUN. If it doesn’t come on then, have it ﬁxed so it will be ready to warn you if there’s a problem. If the light comes on while you are driving, pull off the road and ...
GMC 2004 Envoy - page 162

Anti-Lock Brake System Warning Light With the anti-lock brake system, this light will come on when you start your engine and may stay on for several seconds. That’s normal. A chime may also sound when the light comes on. If the light stays on, or comes on when you’re driving, your vehicle needs service. If the regular brake system warning light ...
GMC 2004 Envoy - page 163

Malfunction Indicator Lamp Service Engine Soon Light in the United States or Check Engine Light in Canada Your vehicle is equipped with a computer which monitors operation of the fuel, ignition, and emission control systems. This system is called OBD II (On-Board Diagnostics-Second Generation) and is intended to assure that emissions are at accepta ...
GMC 2004 Envoy - page 164

This light should come on, as a check to show you it is working, when the ignition is on and the engine is not running. If the light does not come on, have it repaired. This light will also come on during a malfunction in one of two ways: • Light Flashing — A misﬁre condition has been detected. A misﬁre increases vehicle emissions and may d ...
GMC 2004 Envoy - page 165

Have you recently changed brands of fuel? If so, be sure to fuel your vehicle with quality fuel. See Gasoline Octane on page 5-4 . Poor fuel quality will cause your engine not to run as eff iciently as designed. You may notice this as stalling after start-up, stalling when you put the vehicle into gear, misﬁring, hesitation on acceleration, or st ...
GMC 2004 Envoy - page 166

Oil Pressure Gage The oil pressure gage shows the engine oil pressure in psi (pounds per square inch) when the engine is running. Canadian vehicles indicate pressure in kPa (kilopascals). { CAUTION: Do not keep driving if the oil pressure is low. If you do, your engine can become so hot that it catches ﬁre. You or others could be burned. Check yo ...
GMC 2004 Envoy - page 167

Change Engine Oil Light When this light comes on, it means that service is required for your vehicle. See Scheduled Maintenance on page 6-4 and Engine Oil on page 5-16 for more information. Once the engine oil has been changed, the change engine oil light must be reset. Until it is reset, the light will be displayed when the engine is on. Security ...
GMC 2004 Envoy - page 168

Cruise Control Light Your vehicle may have this feature. The CRUISE light appears whenever you set your cruise control. Reduced Engine Power Light This light is displayed when a noticeable reduction in the vehicle’s performance may occur. The vehicle may be driven at a reduced speed when the reduced engine power light is on but acceleration and s ...
GMC 2004 Envoy - page 169

The SERVICE 4WD light comes on to indicate that there may be a problem with the drive system and service is required. Malfunctions can be indicated by the system before any problem is apparent, which may prevent serious damage to the vehicle. This system is also designed to assist your service technician in correctly diagnosing a malfunction. Check ...
GMC 2004 Envoy - page 170

Fuel Gage When the ignition is on, the fuel gage tells you about how much fuel you have remaining. Here are four things that some owners ask about. None of these show a problem with your fuel gage: • At the gas station, the gas pump shuts off before the gage reads full. • It takes a little more or less fuel to ﬁll up than the gage indicated. ...
GMC 2004 Envoy - page 171

Driver Information Center (DIC) Your vehicle may have this feature. The DIC display is located on the instrument panel cluster above the steering wheel. The DIC can display information such as the trip odometer, fuel economy and personalization features. The DIC buttons are located on the steering wheel. A. Trip Information: Press this button to di ...
GMC 2004 Envoy - page 172

Odometer Press the trip information button until the odometer appears on the display. This shows the total distance the vehicle has been driven in either miles or kilometers. Pressing the reset stem located on the instrument cluster with the vehicle off will also display the odometer. Trip A and Trip B Press the trip information button until TRIP A ...
GMC 2004 Envoy - page 173

Fuel Range Press the fuel information button until RANGE appears to display the remaining distance you can drive without refueling. It’s based on fuel economy and the fuel remaining in the tank. The display will show LOW if the fuel level is low. The fuel economy data used to determine fuel range is an average of recent driving conditions. As you ...
GMC 2004 Envoy - page 174

Personalization You can program certain features to a preferred setting for up to two people. Press the personalization button to scroll through the following personalization features. All of the personalization options may not be available on your vehicle. Only the options available will be displayed on your DIC. • ALARM WARNING TYPE • AUTOMAT ...
GMC 2004 Envoy - page 175

Automatic Locking Press the select button while AUTOMATIC LOCKING is displayed on the DIC to scroll through the following choices: • LOCK DOORS OUT OF PARK (default): If you choose for the doors to lock out of park, the doors will lock when the vehicle is shifted out of PARK (P). • LOCK DOORS MANUALLY: If you choose for the doors to lock manual ...
GMC 2004 Envoy - page 176

Seat Position Recall Press the personalization button until SEAT POSITION RECALL appears in the display. To select your personalization for seat position recall, press the select button while SEAT POSITION RECALL is displayed on the DIC. Pressing the select button will scroll through the following choices: • SEAT POSITION RECALL OFF (default): If ...
GMC 2004 Envoy - page 177

Remote Lock Feedback Press the personalization button until REMOTE LOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when locking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE LOCK FEEDBACK is displayed on the DIC. Pressing the select button will scro ...
GMC 2004 Envoy - page 178

Headlamps on at Exit Press the personalization button until HEADLAMPS ON AT EXIT appears in the display. To select your personalization for how long the headlamps will stay on when you turn off the vehicle, press the select button while HEADLAMPS ON AT EXIT is displayed on the DIC. Pressing the select button will scroll through the following choice ...
GMC 2004 Envoy - page 179

When the vehicle is placed in PARK (P) or in any forward gear, the mirror(s) will return to normal driving positions, following a short delay. Choose one of the four settings and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. Easy Exit Driver Seat Press the personalization button unti ...
GMC 2004 Envoy - page 180

Display Language To select your personalization for display language, press the select button while DISPLAY LANGUAGE is displayed on the DIC. Pressing the select button will scroll through the available languages: Choosing a language will display all of the information on the DIC in the desired language. If your vehicle is equipped with an Informat ...
GMC 2004 Envoy - page 181

ENGINE COOLANT HOT/ENGINE OVERHEATED If the cooling system temperature gets hot, this message will appear in the DIC and you will hear a chime. Refer to “Engine Overheating” for the proper course of action. This message will clear when the coolant temperature drops to a safe operating temperature. OIL PRESSURE LOW/STOP ENGINE If low oil pressur ...
GMC 2004 Envoy - page 182

REAR ACCESS OPEN If the liftgate or liftglass is open while the ignition is in RUN, this message will appear on the DIC and you will hear a chime. Turn off the vehicle and check the liftgate and liftglass. Restart the vehicle and check for the message on the DIC display. Press the select button to acknowledge this message and clear it from the DIC ...
GMC 2004 Envoy - page 183

LEFT REAR DOOR AJAR If the driver’s side rear door is not fully closed this message will appear on the display and you will hear a chime. Stop and turn off the vehicle, check the door for obstacles, and close the door again. Check to see if the message still appears on the DIC. Press the select button to acknowledge this message and clear it from ...
GMC 2004 Envoy - page 184

Audio System(s) Notice: Before adding any sound equipment to your vehicle, like a tape player, CB radio, mobile telephone, or two-way radio, make sure that it can be added by checking with your dealer. Also, check federal rules covering mobile radio and telephone units. If sound equipment can be added, it is very important to do it properly. Added ...
GMC 2004 Envoy - page 185

Radio with CD If your vehicle has the Bose ® audio system, your vehicle will have six Bose ® ampliﬁed speakers. Radio Data System (RDS) The audio system has a Radio Data System (RDS). RDS features are available for use only on FM stations that broadcast RDS information. With RDS, the radio can do the following: • Seek to stations broadcasting ...
GMC 2004 Envoy - page 186

XM™ Satellite Radio Service XM™ is a satellite radio service that is based in the 48 contiguous United States. XM™ offers 100 coast to coast channels including music, news, sports, talk, and children’s programming. XM™ provides digital quality audio and text information that includes song title and artist name. A service fee is required i ...
GMC 2004 Envoy - page 187

Finding a Station BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display will show the selection. TUNE: Turn this knob to select radio stations. q SEEK r : Press the right or the left arrow to go to the next or to the previous station and stay there. The radio will only seek stations with a strong signal th ...
GMC 2004 Envoy - page 188

Setting the Tone (Bass/Treble) AUDIO: Push and release the AUDIO knob until BASS or TREB appears on the display. Turn the knob to increase or to decrease. The display will show the bass or treble level. If a station is weak or noisy, decrease the treble. To adjust the bass and treble to the middle position, push and hold the AUDIO knob. The radio w ...
GMC 2004 Envoy - page 189

Finding a Program Type (PTY) Station (RDS and XM™) To select and ﬁnd a desired PTY perform the following: 1. Turn the P-TYPE knob to activate program type select mode. TYPE and a PTY will appear on the display. 2. Turn the P-TYPE knob to select a PTY. 3. Once the desired PTY is displayed, press the SEEK TYPE button or one of the SEEK arrows to ...
GMC 2004 Envoy - page 190

To turn alternate frequency off, press and hold BAND again for two seconds. AF OFF will appear on the display. The radio will not switch to other stations. This function does not apply for XM™ Satellite Radio Service. Setting Preset PTYs (RDS Only) Up to 12 PTYs (six FM1 and six FM2), can be programmed on the six numbered pushbuttons, by performi ...
GMC 2004 Envoy - page 191

TRAF (Traff ic): If TRAF appears on the display, the tuned station broadcasts traff ic announcements and when a traff ic announcement comes on the tuned radio station you will hear it. If the station does not broadcast traff ic announcements, press the TRAF button and the radio will seek to a station that does. When a station that broadcasts traff ...
GMC 2004 Envoy - page 192

XM™ Radio Messages Radio Display Message Condition Action Required XL (Explicit Language Channels) XL on the radio display, after the channel name, indicates content with explicit language. These channels, or any others, can be blocked at a customer’s request, by calling 1-800-852-XMXM (9696). Updating Updating encryption code The encryption co ...
GMC 2004 Envoy - page 193

XM™ Radio Messages (cont’d) Radio Display Message Condition Action Required No Info Song/Program Title not available No song title information is available at this time on this channel. The system is working properly. No Info Category Name not available No category information is available at this time on this channel. The system is working pro ...
GMC 2004 Envoy - page 194

Playing a CD Insert a CD partway into the slot, label side up. The player will pull it in and the CD should begin playing. If you want to insert a CD with the ignition off, ﬁrst press the eject button or the DISPL knob. If the ignition or radio is turned off with the CD in the player, it will stay in the player. When the ignition or the radio is ...
GMC 2004 Envoy - page 195

6 RDM (Random): Press this pushbutton to hear the tracks in random, rather than sequential, order. RDM ON will appear on the display. RDM T and the track number will appear on the display when each track starts to play. Press this pushbutton again to turn off random play. RDM OFF will appear on the display. q SEEK r : Press the left arrow to go to ...
GMC 2004 Envoy - page 196

CD Messages If the CD comes out, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should play. • You are driving on a very rough road. When the road becomes smoother, the CD should play. • The CD is dirty, scratched, wet, or upside down. • The air is very humid. If so, wait about ...
GMC 2004 Envoy - page 197

With RDS, the radio can do the following: • Seek to stations broadcasting the selected type of programming • Receive announcements concerning local and national emergencies • Display messages from radio stations • Seek to stations with traff ic announcements This system relies upon receiving speciﬁc information from these stations and wil ...
GMC 2004 Envoy - page 198

Set the volume at the desired level. Press this button to select LOW, MEDIUM, or HIGH. AVOL will appear on the display. Each higher setting will provide more volume compensation at faster vehicle speeds. To turn automatic volume off, press this button until AVOL OFF appears on the display. DISPL (Display): Press this knob to switch the display betw ...
GMC 2004 Envoy - page 199

Setting Preset Stations Up to 30 stations (six FM1, six FM2, and six AM, or six XM1 and six XM2 (if equipped)), can be programmed on the six numbered pushbuttons, by performing the following steps: 1. Turn the radio on. 2. Press BAND to select FM1, FM2, AM, or XM1 or XM2. 3. Tune in the desired station. 4. Press AUTO EQ to select the equalization. ...
GMC 2004 Envoy - page 200

Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and the left speakers, push and release the AUDIO knob until BAL appears on the display. Turn the knob to move the sound toward the right or the left speakers. To adjust the fade between the front and the rear speakers, push and release the AUDIO knob until FADE ap ...
GMC 2004 Envoy - page 201

If both PTY and TRAF are on, the radio will search for stations with the selected PTY and traff ic announcements. If the radio cannot ﬁnd the desired program type, NONE will appear on the display and the radio will return to the last station you were listening to. SCAN: Scan the stations within a PTY by performing the following: 1. Turn the P-TYP ...
GMC 2004 Envoy - page 202

Setting Preset PTYs (RDS Only) Up to 12 PTYs (six FM1 and six FM2), can be programmed on the six numbered pushbuttons, by performing the following steps: 1. Press BAND to select FM1 or FM2. 2. Turn the P-TYPE knob to activate program type select mode. TYPE and a PTY will appear on the display. 3. Turn the P-TYPE knob to select a PTY. 4. Press and h ...
GMC 2004 Envoy - page 203

TRAF (Traff ic): If TRAF appears on the display, the tuned station broadcasts traff ic announcements and when a traff ic announcement comes on the tuned radio station you will hear it. If the station does not broadcast traff ic announcements, press the TRAF button and the radio will seek to a station that does. When the radio ﬁnds a station that ...
GMC 2004 Envoy - page 204

XM™ Radio Messages Radio Display Message Condition Action Required XL (Explicit Language Channels) XL on the radio display, after the channel name, indicates content with explicit language. These channels, or any others, can be blocked at a customer’s request, by calling 1-800-852-XMXM (9696). Updating Updating encryption code The encryption co ...
GMC 2004 Envoy - page 205

XM™ Radio Messages (cont’d) Radio Display Message Condition Action Required No Info Song/Program Title not available No song title information is available at this time on this channel. The system is working properly. No Info Category Name not available No category information is available at this time on this channel. The system is working pro ...
GMC 2004 Envoy - page 206

Playing a Cassette Tape The tape player is built to work best with tapes that are up to 30 to 45 minutes long on each side. Tapes longer than that are so thin they may not work well in this player. The longer side with the tape visible should face to the right. If the ignition is on, but the radio is off, the tape can be inserted and will begin pla ...
GMC 2004 Envoy - page 207

3 REV (Reverse): Press this pushbutton to reverse the tape rapidly. Press this pushbutton again to return to playing speed. The radio will play while the tape reverses. The station frequency and REV will appear on the display. Select stations during reverse operation by using TUNE and SEEK. 4 FWD (Forward): Press this pushbutton to advance the tape ...
GMC 2004 Envoy - page 208

Cassette Tape Messages CHK TAPE (Check Tape): If this message appears on the display, the tape will not play because of one of the following errors: • The tape is tight and the player cannot turn the tape hubs. Remove the tape. Hold the tape with the open end down and try to turn the right hub counterclockwise with a pencil. Turn the tape over an ...
GMC 2004 Envoy - page 209

If the ignition or radio is turned off with the CD in the player, it will stay in the player. When the ignition or the radio is turned on, the CD will start playing, where it stopped, if it was the last selected audio source. When a CD is inserted, the CD symbol will appear on the display. As each new track starts to play, the track number will app ...
GMC 2004 Envoy - page 210

q SEEK r : Press the left arrow to go to the start of the current or to the previous track. Press the right arrow to go to the start of the next track. If either arrow is held or pressed more than once, the player will continue moving backward or forward through the CD. q SCAN r : To scan the CD, press and hold either SCAN arrow for more than two s ...
GMC 2004 Envoy - page 211

CD Messages If the CD comes out, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should play. • You are driving on a very rough road. When the road becomes smoother, the CD should play. • The CD is dirty, scratched, wet, or upside down. • The air is very humid. If so, wait about ...
GMC 2004 Envoy - page 212

Radio with Six-Disc CD If your vehicle has the Bose ® audio system, your vehicle will have six Bose ® ampliﬁed speakers. Radio Data System (RDS) The audio system has a Radio Data System (RDS). RDS features are available for use only on FM stations that broadcast RDS information. With RDS, the radio can do the following: • Seek to stations bro ...
GMC 2004 Envoy - page 213

Playing the Radio PWR (Power): Push this knob to turn the system on and off. VOLUME: Turn the knob to increase or to decrease the volume. AUTO VOL (Automatic Volume): With automatic volume, the audio system will adjust automatically to make up for road and wind noise as you drive by increasing the volume as vehicle speed increases. Set the volume a ...
GMC 2004 Envoy - page 214

To scan preset stations, press and hold either SCAN arrow for more than four seconds. PRESET SCAN will appear on the display and you will hear a double beep. The radio will go to a preset station stored on the pushbuttons, play for a few seconds, then go on to the next preset station. Press either SCAN arrow again to stop scanning presets. The radi ...
GMC 2004 Envoy - page 215

Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and the left speakers, push the AUDIO knob until BAL appears on the display. Turn the knob to move the sound toward the right or the left speakers. To adjust the fade between the front and rear speakers, push and hold the AUDIO knob until FAD appears on the display ...
GMC 2004 Envoy - page 216

3To use the PTY interrupt feature, press and hold the P-TYPE button until you hear a beep on the PTY you want to interrupt with. When selected, an asterisk will appear beside that PTY on the display. You may select multiple interrupts if desired. When you are listening to a CD, the last selected RDS station will interrupt play if that selected prog ...
GMC 2004 Envoy - page 217

RDS Messages ALERT!: Alert warns of local or national emergencies. When an alert announcement comes on the current radio station, ALERT! will appear on the display. You will hear the announcement, even if the volume is low or a CD is playing. If the CD player is playing, play will stop during the announcement. Alert announcements cannot be turned o ...
GMC 2004 Envoy - page 218

XM™ Radio Messages Radio Display Message Condition Action Required XL (Explicit Language Channels) XL on the radio display, after the channel name, indicates content with explicit language. These channels, or any others, can be blocked at a customer’s request, by calling 1-800-852-XMXM (9696). Updating Updating encryption code The encryption co ...
GMC 2004 Envoy - page 219

XM™ Radio Messages (cont’d) Radio Display Message Condition Action Required No Info Category Name not available No category information is available at this time on this channel. The system is working properly. No Info No Text/Informational message available No text or informational messages are available at this time on this channel. The syste ...
GMC 2004 Envoy - page 220

Playing a CD If the ignition or radio is turned off with the CD in the player, it will stay in the player. When the ignition or the radio is turned on, the CD will start playing, where it stopped, if it was the last selected audio source. The CD player can play the smaller 3 inch (8 cm) single CDs with an adapter ring. Full-size CDs and the smaller ...
GMC 2004 Envoy - page 221

3. Once the light stops ﬂashing and turns green, load a CD. Insert the CD partway into the slot, label side up. The player will pull the CD in. Once the CD is loaded, the light will begin ﬂashing again. Once the light stops ﬂashing and turns green you can load another CD. The CD player takes up to six CDs. Do not try to load more than six. To ...
GMC 2004 Envoy - page 222

{ REV (Reverse): Press and hold this button to reverse quickly within a track. You will hear sound at a reduced volume. Release the pushbutton to play the passage. The elapsed time of the track will appear on the display. FWD | (Forward): Press and hold this button to advance quickly within a track. You will hear sound at a reduced volume. Release ...
GMC 2004 Envoy - page 223

s SCAN t : To scan one CD, press and hold either SCAN arrow for more than two seconds until SCAN appears on the display and you hear a beep. Use this feature to listen to 10 seconds of each track of the currently selected CD. Press either SCAN arrow again, to stop scanning. To scan all loaded CDs, press and hold either SCAN arrow for more than four ...
GMC 2004 Envoy - page 224

To play the song list, press the SONG LIST button. One beep will be heard and S-LIST will appear on the display. The recorded tracks will begin to play in the order that they were saved. You may seek through the song list by using the SEEK SCAN arrows. Seeking past the last saved track will return you to the ﬁrst saved track. To delete tracks fro ...
GMC 2004 Envoy - page 225

CD Messages CHECK CD: If this message appears on the display, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should play. • You are driving on a very rough road. When the road becomes smooth, the CD should play. • The CD is dirty, scratched, wet, or upside down. • The air is ve ...
GMC 2004 Envoy - page 226

Navigation/Radio System Your vehicle may be equipped with a navigation radio system includes digital sound processing (DSP), Radio Data System (RDS) with program type (PTY) selections that will seek out the kind of music you want to listen to and XM™ Satellite Radio Service capabilities (48 contiguous US states, if equipped). The radio system can ...
GMC 2004 Envoy - page 227

Before You Drive The RSE system is for rear seat passengers only. The driver cannot safely view the video screen while driving and should not try to do so. Headphones The RSE system includes two sets of wireless headphones. Each set of headphones has an ON/OFF control. An indicator light will illuminate on the headphones when they are on. If the li ...
GMC 2004 Envoy - page 228

Stereo RCA Jacks The RCA jacks are located behind the video screen. The RCA jacks allow audio and video signals to be connected from an auxiliary device such as a camcorder or a video game unit to the RSE system. Standard RCA cables, not included, are needed to connect the auxiliary device to the RCA jacks. The yellow connector inputs video and the ...
GMC 2004 Envoy - page 229

Audio Output Audio from the DVD player or auxiliary inputs may be heard through the following possible sources: • Wireless Headphones • Vehicle Speakers • Vehicle wired headphone jacks on the Rear Seat Audio system (if equipped) The RSE system will always transmit the audio signal by infrared to the wireless headphones, if there is audio avai ...
GMC 2004 Envoy - page 230

DVD Player The DVD player is located in the overhead console. The DVD player can be controlled by the buttons on the DVD player or by the buttons on the remote control. See “Remote Control” later in this section for more information. The DVD player power may be turned on when the ignition is in RUN, ACCESSORY, or when Retained Accessory Power ( ...
GMC 2004 Envoy - page 231

k (Play/Pause): Press this button to start play of a DVD or CD. Press this button while a DVD or CD is playing to pause it. Press this button again to continue the play of the DVD or CD. y (Main DVD Menu): Press this button to access the DVD menu. The DVD menu is different on every DVD. Use the up, down, left, and right arrow buttons to move the cu ...
GMC 2004 Envoy - page 232

Ejecting a Disc Press the eject button on the DVD player faceplate to eject the disc. There is not an eject button on the remote control. If a disc is ejected from the player, but is not removed, the DVD player will reload the disc after a short period of time. The disc will be stored in the DVD player. The DVD player will not resume play of the di ...
GMC 2004 Envoy - page 233

z (Set-up Menu): Press this button to adjust the color, tint, brightness, contrast, and display mode (normal, full, or zoom). The dynamic range compression feature can be used to reduce loud audio and increase low audio produced by some DVDs. e (Audio): Press this button to display a menu that will only appear when a DVD is being played. The format ...
GMC 2004 Envoy - page 234

q (Return): Press this button to exit the current active menu and return to the previous menu. This button will operate only when a DVD is playing and a menu is active. | (Camera Angle): Press this button to change camera angles on DVDs that have this feature when a DVD is playing. The format and content of this function will vary for each disc. { ...
GMC 2004 Envoy - page 235

Problem Recommended Action No power. The ignition might not be in on or accessory. The parental control button might have been turned on. The power indicator light will ﬂash. Disc will not play. The system might be off. The parental control button might have been turned on. The power indicator light will ﬂash. The system might be in auxiliary m ...
GMC 2004 Envoy - page 236

Problem Recommended Action After stopping the player, I push Play but sometimes the DVD starts where I left off and sometimes at the beginning. If the stop button was pressed one time, the DVD player will resume playing where the DVD was stopped. If the stop button was pressed two times the DVD player will begin to play from the beginning of the DV ...
GMC 2004 Envoy - page 237

DVD Messages The following errors may be displayed on the video screen: Disc Format Error: This message will be displayed if a disc is inserted upside down, if the disc is not readable, or if the format is not compatible with the DVD player. Load/Eject Error: This message will be displayed if the disc is not properly loaded or ejected. Disc Play Er ...
GMC 2004 Envoy - page 238

The front seat audio controls always have priority over the RSA controls. If the front seat passengers switch the source for the main radio to a remote source, the RSA will not be able to control the source. You can operate the rear seat audio when the main radio is off. P (Power): Press this button to turn the system on or off. The rear speakers w ...
GMC 2004 Envoy - page 239

Radio Personalization If your vehicle has this feature, it allows the driver to return to the last used source: radio, cassette, or CD using the remote keyless entry transmitter. This feature can also store and recall AM and FM presets, volume, tone, and the last selected radio station. The number on the back of each transmitter, 1 or 2, correspond ...
GMC 2004 Envoy - page 240

PROG (Program): Press this button to play a station you have programmed on the radio preset pushbuttons. The radio will only seek preset stations with a strong signal that are in the selected band. When a CD is playing in the CD changer, press this button to go to the next available CD, if multiple CDs are loaded. Q SOURCE R : Press this button to ...
GMC 2004 Envoy - page 241

Care of Your Cassette Tape Player A tape player that is not cleaned regularly can cause reduced sound quality, ruined cassettes, or a damaged mechanism. Cassette tapes should be stored in their cases away from contaminants, direct sunlight, and extreme heat. If they are not, they may not operate properly or may cause failure of the tape player. The ...
GMC 2004 Envoy - page 242

Care of Your CDs and DVDs Handle discs carefully. Store them in their original cases or other protective cases and away from direct sunlight and dust. If the surface of a disc is soiled, dampen a clean, soft cloth in a mild, neutral detergent solution and clean it, wiping from the center to the edge. Be sure never to touch the side without writing ...
GMC 2004 Envoy - page 243

Your Driving, the Road, and Your Vehicle ......... .4-2 Defensive Driving .......................................... .4-2 Drunken Driving ............................................ .4-2 Control of a Vehicle ....................................... .4-6 Braking ........................................................ .4-6 Traction Assist System (TA ...
GMC 2004 Envoy - page 244

Your Driving, the Road, and Your Vehicle Defensive Driving The best advice anyone can give about driving is: Drive defensively. Please start with a very important safety device in your vehicle: Buckle up. See Safety Belts: They Are for Everyone on page 1-8 . Defensive driving really means “be ready for anything.” On city streets, rural roads or ...
GMC 2004 Envoy - page 245

Many adults — by some estimates, nearly half the adult population — choose never to drink alcohol, so they never drive after drinking. For persons under 21, it is against the law in every U.S. state to drink alcohol. There are good medical, psychological and developmental reasons for these laws. The obvious way to eliminate the leading highway ...
GMC 2004 Envoy - page 246

There is a gender difference, too. Women generally have a lower relative percentage of body water than men. Since alcohol is carried in body water, this means that a woman generally will reach a higher BAC level than a man of her same body weight will when each has the same number of drinks. The law in an increasing number of U.S. states, and throu ...
GMC 2004 Envoy - page 247

There is something else about drinking and driving that many people do not know. Medical research shows that alcohol in a person’s system can make crash injuries worse, especially injuries to the brain, spinal cord or heart. This means that when anyone who has been drinking — driver or passenger — is in a crash, that person’s chance of bein ...
GMC 2004 Envoy - page 248

Control of a Vehicle You have three systems that make your vehicle go where you want it to go. They are the brakes, the steering and the accelerator. All three systems have to do their work at the places where the tires meet the road. Sometimes, as when you are driving on snow or ice, it is easy to ask more of those control systems than the tires a ...
GMC 2004 Envoy - page 249

Avoid needless heavy braking. Some people drive in spurts — heavy acceleration followed by heavy braking — rather than keeping pace with traff ic. This is a mistake. Your brakes may not have time to cool between hard stops. Your brakes will wear out much faster if you do a lot of heavy braking. If you keep pace with the traff ic and allow reali ...
GMC 2004 Envoy - page 250

Let us say the road is wet and you are driving safely. Suddenly, an animal jumps out in front of you. You slam on the brakes and continue braking. Here is what happens with ABS: A computer senses that wheels are slowing down. If one of the wheels is about to stop rolling, the computer will separately work the brakes at each front wheel and at both ...
GMC 2004 Envoy - page 251

Remember: Anti-lock does not change the time you need to get your foot up to the brake pedal or always decrease stopping distance. If you get too close to the vehicle in front of you, you will not have time to apply your brakes if that vehicle suddenly slows or stops. Always leave enough room up ahead to stop, even though you have anti-lock brakes. ...
GMC 2004 Envoy - page 252

The traction control off symbol on the button will come on under the following conditions: • The Traction Assist System is turned off, either by pressing the TAS on/off button or by turning of f the automatic engagement feature of the TAS. • The transmission is in FIRST (1) gear; TAS will not operate in this gear. This is normal. • The vehicl ...
GMC 2004 Envoy - page 253

Locking Rear Axle If your vehicle has this feature, your locking rear axle can give you additional traction on snow, mud, ice, sand or gravel. It works like a standard axle most of the time, but when one of the rear wheels has no traction and the other does, this feature will allow the wheel with traction to move the vehicle. Steering Power Steerin ...
GMC 2004 Envoy - page 254

Try to adjust your speed so you can “drive” through the curve. Maintain a reasonable, steady speed. Wait to accelerate until you are out of the curve, and then accelerate gently into the straightaway. Steering in Emergencies There are times when steering can be more effective than braking. For example, you come over a hill and ﬁnd a truck sto ...
GMC 2004 Envoy - page 255

Of f-Road Recovery You may ﬁnd that your right wheels have dropped off the edge of a road onto the shoulder while you are driving. If the level of the shoulder is only slightly below the pavement, recovery should be fairly easy. Ease off the accelerator and then, if there is nothing in the way, steer so that your vehicle straddles the edge of the ...
GMC 2004 Envoy - page 256

• Do not get too close to the vehicle you want to pass while you are awaiting an opportunity. For one thing, following too closely reduces your area of vision, especially if you are following a larger vehicle. Also, you will not have adequate space if the vehicle ahead suddenly slows or stops. Keep back a reasonable distance. • When it looks li ...
GMC 2004 Envoy - page 257

Skidding In a skid, a driver can lose control of the vehicle. Defensive drivers avoid most skids by taking reasonable care suited to existing conditions, and by not “overdriving” those conditions. But skids are always possible. The three types of skids correspond to your vehicle’s three control systems. In the braking skid, your wheels are no ...
GMC 2004 Envoy - page 258

Of f-Road Driving with Your Four-Wheel-Drive Vehicle This off-road guide is for vehicles that have four-wheel drive. Also, see Braking on page 4-6 . If your vehicle does not have four-wheel drive, you should not drive off-road unless you are on a level, solid surface. Off-road driving can be great fun. But it does have some deﬁnite hazards. The g ...
GMC 2004 Envoy - page 259

Loading Your Vehicle for Of f-Road Driving There are some important things to remember about how to load your vehicle. • The heaviest things should be on the load ﬂoor and forward of your rear axle. Put heavier items as far forward as you can. • Be sure the load is secured properly, so driving on the off-road terrain does not toss things arou ...
GMC 2004 Envoy - page 260

Environmental Concerns Off-road driving can provide wholesome and satisfying recreation. However, it also raises environmental concerns. We recognize these concerns and urge every off-roader to follow these basic rules for protecting the environment: • Always use established trails, roads and areas that have been specially set aside for public of ...
GMC 2004 Envoy - page 261

Getting Familiar with Of f-Road Driving It is a good idea to practice in an area that is safe and close to home before you go into the wilderness. Off-road driving does require some new and dif ferent skills. Here is what we mean. Tune your senses to different kinds of signals. Your eyes, for example, need to constantly sweep the terrain for unexpe ...
GMC 2004 Envoy - page 262

Scanning the Terrain Off-road driving can take you over many dif ferent kinds of terrain. You need to be familiar with the terrain and its many different features. Here are some things to consider. Surface Conditions: Of f-roading can take you over hard-packed dirt, gravel, rocks, grass, sand, mud, snow or ice. Each of these surfaces affects the st ...
GMC 2004 Envoy - page 263

Driving on Of f-Road Hills Off-road driving often takes you up, down or across a hill. Driving safely on hills requires good judgment and an understanding of what your vehicle can and can not do. There are some hills that simply can not be driven, no matter how well built the vehicle. { CAUTION: Many hills are simply too steep for any vehicle. If y ...
GMC 2004 Envoy - page 264

Driving Uphill Once you decide you can safely drive up the hill, you need to take some special steps. • Use a low gear and get a ﬁrm grip on the steering wheel. • Get a smooth start up the hill and try to maintain your speed. Do not use more power than you need, because you do not want your wheels to start spinning or sliding. • Try to driv ...
GMC 2004 Envoy - page 265

Q: What should I do if my vehicle stalls, or is about to stall, and I can not make it up the hill? A: If this happens, there are some things you should do, and there are some things you must not do. First, here is what you should do: • Push the brake pedal to stop the vehicle and keep it from rolling backwards. Also, apply the parking brake. • ...
GMC 2004 Envoy - page 266

Q: Suppose, after stalling, I try to back down the hill and decide I just can not do it. What should I do? A: Set the parking brake, put your transmission in PARK (P) and turn off the engine. Leave the vehicle and go get some help. Exit on the uphill side and stay clear of the path the vehicle would take if it rolled downhill. Do not shift the tran ...
GMC 2004 Envoy - page 267

{ CAUTION: Heavy braking when going down a hill can cause your brakes to overheat and fade. This could cause loss of control and a serious accident. Apply the brakes lightly when descending a hill and use a low gear to keep vehicle speed under control. Q: Are there some things I should not do when driving down a hill? A: Yes! These are important be ...
GMC 2004 Envoy - page 268

Driving Across an Incline Sooner or later, an off-road trail will probably go across the incline of a hill. If this happens, you have to decide whether to try to drive across the incline. Here are some things to consider: • A hill that can be driven straight up or down may be too steep to drive across. When you go straight up or down a hill, the ...
GMC 2004 Envoy - page 269

Stalling on an Incline If your vehicle stalls when you are crossing an incline, be sure you (and your passengers) get out on the uphill side, even if the door there is harder to open. If you get out on the downhill side and the vehicle starts to roll over, you will be right in its path. If you have to walk down the slope, stay out of the path the v ...
GMC 2004 Envoy - page 270

Driving in Mud, Sand, Snow or Ice When you drive in mud, snow or sand, your wheels will not get good traction. You can not accelerate as quickly, turning is more diff icult, and you will need longer braking distances. It is best to use a low gear when you are in mud — the deeper the mud, the lower the gear. In really deep mud, the idea is to keep ...
GMC 2004 Envoy - page 271

If the water is not too deep, drive slowly through it. At faster speeds, water splashes on your ignition system and your vehicle can stall. Stalling can also occur if you get your tailpipe under water. And, as long as your tailpipe is under water, you will never be able to start your engine. When you go through water, remember that when your brakes ...
GMC 2004 Envoy - page 272

Driving at Night Night driving is more dangerous than day driving. One reason is that some drivers are likely to be impaired — by alcohol or drugs, with night vision problems, or by fatigue. Here are some tips on night driving. • Drive defensively. • Do not drink and drive. • Since you can not see as well, you may need to slow down and keep ...
GMC 2004 Envoy - page 273

You can be temporarily blinded by approaching headlamps. It can take a second or two, or even several seconds, for your eyes to readjust to the dark. When you are faced with severe glare (as from a driver who does not lower the high beams, or a vehicle with misaimed headlamps), slow down a little. Avoid staring directly into the approaching headlam ...
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The heavier the rain, the harder it is to see. Even if your windshield wiper blades are in good shape, a heavy rain can make it harder to see road signs and traff ic signals, pavement markings, the edge of the road and even people walking. It is wise to keep your wiping equipment in good shape and keep your windshield washer tank ﬁlled with washe ...
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Hydroplaning does not happen often. But it can if your tires do not have much tread or if the pressure in one or more is low. It can happen if a lot of water is standing on the road. If you can see reﬂections from trees, telephone poles or other vehicles, and raindrops “dimple” the water’s surface, there could be hydroplaning. Hydroplaning ...
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City Driving One of the biggest problems with city streets is the amount of traff ic on them. You will want to watch out for what the other drivers are doing and pay attention to traff ic signals. Here are ways to increase your safety in city driving: • Know the best way to get to where you are going. Get a city map and plan your trip into an unk ...
GMC 2004 Envoy - page 277

Freeway Driving Mile for mile, freeways (also called thruways, parkways, expressways, turnpikes or superhighways) are the safest of all roads. But they have their own special rules. The most important advice on freeway driving is: Keep up with traff ic and keep to the right. Drive at the same speed most of the other drivers are driving. Too-fast or ...
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When you want to leave the freeway, move to the proper lane well in advance. If you miss your exit, do not, under any circumstances, stop and back up. Drive on to the next exit. The exit ramp can be curved, sometimes quite sharply. The exit speed is usually posted. Reduce your speed according to your speedometer, not to your sense of motion. After ...
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Highway Hypnosis Is there actually such a condition as “highway hypnosis”? Or is it just plain falling asleep at the wheel? Call it highway hypnosis, lack of awareness, or whatever. There is something about an easy stretch of road with the same scenery, along with the hum of the tires onthe road, the drone of the engine, and the rush of the win ...
GMC 2004 Envoy - page 280

Hill and Mountain Roads Driving on steep hills or mountains is different from driving in ﬂat or rolling terrain. If you drive regularly in steep country, or if you are planning to visit there, here are some tips that can make your trips safer and more enjoyable. See Off-Road Driving with Your Four-Wheel-Drive Vehicle on page 4-16 for information ...
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{ CAUTION: Coasting downhill in NEUTRAL (N) or with the ignition off is dangerous. Your brakes will have to do all the work of slowing down. They could get so hot that they would not work well. You would then have poor braking or even none going down a hill. You could crash. Always have your engine running and your vehicle in gear when you go downh ...
GMC 2004 Envoy - page 282

Winter Driving Here are some tips for winter driving: • Have your vehicle in good shape for winter. • You may want to put winter emergency supplies in your vehicle. Also see Tires on page 5-55 . Include an ice scraper, a small brush or broom, a supply of windshield washer ﬂuid, a rag, some winter outer clothing, a small shovel, a ﬂashlight, ...
GMC 2004 Envoy - page 283

Driving on Snow or Ice Most of the time, those places where your tires meet the road probably have good traction. However, if there is snow or ice between your tires and the road, you can have a very slippery situation. You will have a lot less traction or “grip” and will need to be very careful. What is the worst time for this? “Wet ice.” ...
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Your anti-lock brakes improve your vehicle’s stability when you make a hard stop on a slippery road. Even though you have an anti-lock braking system, you will want to begin stopping sooner than you would on dry pavement. See Braking on page 4-6 . • Allow greater following distance on any slippery road. • Watch for slippery spots. The road mi ...
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• Put on extra clothing or wrap a blanket around you. If you have no blankets or extra clothing, make body insulators from newspapers, burlap bags, rags, ﬂoor mats — anything you can wrap around yourself or tuck under your clothing to keep warm. You can run the engine to keep warm, but be careful. { CAUTION: Snow can trap exhaust gases under ...
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Then, shut the engine off and close the window almost all the way to preserve the heat. Start the engine again and repeat this only when you feel really uncomfortable from the cold. But do it as little as possible. Preserve the fuel as long as you can. To help keep warm, you can get out of the vehicle and do some fairly vigorous exercises every hal ...
GMC 2004 Envoy - page 287

Rocking Your Vehicle To Get It Out First, turn your steering wheel left and right. That will clear the area around your front wheels. If you have a four- wheel-drive vehicle, shift into 4HI. Then shift back and forth between REVERSE (R) and a forward gear, spinning the wheels as little as possible. Release the accelerator pedal while you shift, and ...
GMC 2004 Envoy - page 288

Dinghy Towing When towing your vehicle, turn the ignition off. Two-Wheel-Drive Vehicles Notice: If you tow your vehicle with all four wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by your warranty. Do not tow your vehicle with all four wheels on the ground. Two-wheel-drive vehicles should not be ...
GMC 2004 Envoy - page 289

Four-Wheel-Drive Vehicles Four-wheel-drive vehicles can be dinghy towed if you follow the proper procedures. The transmission has no provisions for internal lubrication while being towed, so it is important that you follow all the steps listed in this manual to dinghy tow your four-wheel-drive vehicle. Use the following procedure to tow your vehicl ...
GMC 2004 Envoy - page 290

Dolly Towing Two-Wheel-Drive Vehicles Two-wheel-drive vehicles should not be dolly towed. Two-wheel-drive transmissions have no provisions for internal lubrication while being towed. To properly tow these vehicles, they should be placed on a platform trailer with all four wheels off the ground. Four-Wheel-Drive Vehicles Four-wheel-drive vehicles ca ...
GMC 2004 Envoy - page 291

Loading Your Vehicle It is very important to know how much weight your vehicle can carry. This weight is called the vehicle capacity weight and includes the weight of all occupants, cargo and all nonfactory-installed options. Two labels on your vehicle show how much weight it may properly carry, the Tire and Loading Information label and the Certi? ...
GMC 2004 Envoy - page 292

The Tire and Loading Information label also tells you the size and recommended inﬂation pressure for the original equipment tires on your vehicle. For more information on tires and inﬂation see Tires on page 5-55 and Inﬂation - Tire Pressure on page 5-64 . If your vehicle does not have the Tire and Loading Information label, the Certiﬁcatio ...
GMC 2004 Envoy - page 293

Loading Your Vehicle Item Description Total A Vehicle Capacity Weight for Example 1 = 1,000 lbs (453 kg) B Subtract Occupant Weight 150 lbs (68 kg) × 2 = 300 lbs (136 kg) C Available Occupant and Cargo Weight = 700 lbs. (317 kg) Loading Your Vehicle Item Description Total A Vehicle Capacity Weight for Example 2 = 1,000 lbs (453 kg) B Subtract Occu ...
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Loading Your Vehicle Item Description Total A Vehicle Capacity Weight for Example 3 = 1,000 lbs (453 kg) B Subtract Occupant Weight 200 lbs (91 kg) × 5 = 1,000 lbs (453 kg) C Available Cargo Weight = 0 lbs (0 kg) Refer to your vehicle’s tire and loading information label for speciﬁc information about your vehicle’s capacity weight and seatin ...
GMC 2004 Envoy - page 295

Never exceed the GVWR for your vehicle, or the GAWR for either the front or rear axle. If you do have a heavy load, you should spread it out. Similar appearing vehicles may have different GVWRs and payloads. Please note your vehicle’s Certiﬁcation/Tire label or consult your dealer for additional details. { CAUTION: Do not load your vehicle any ...
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Electronically Controlled Air Suspension System Your vehicle may be equipped with an electronically controlled air suspension system that automatically keeps your vehicle level as you load and unload. The system includes a compressor, two height sensors and two air springs supporting the rear axle. The system also has an internal clock to prevent o ...
GMC 2004 Envoy - page 297

Indicator Light The indicator light on the inﬂator switch in the rear passenger compartment also serves as an indicator for internal system error. If the indicator light is ﬂashing without the load leveling function or the inﬂator being active, turn off the ignition. The next day turn on the ignition and check the indicator light. The vehicle ...
GMC 2004 Envoy - page 298

Trailering is different than just driving your vehicle by itself. Trailering means changes in acceleration, braking, handling, durability and fuel economy. Successful, safe trailering takes correct equipment, and it has to be used properly. That’s the reason for this part. In it are many time-tested, important trailering tips and safety rules. Ma ...
GMC 2004 Envoy - page 299

Vehicle Axle Ratio Max.Trailer Wt. *GCWR 2WD Envoy (L6 Engine) 3.42 5,300 lbs. (2 404 kg) 10,000 lbs. (4 536 kg) 3.73 5,700 lbs. (2 585 kg) 10,500 lbs. (4 763 kg) 4.10 6,200 lbs. (2 812 kg) 11,000 lbs. (4 990 kg) 4WD Envoy (L6 Engine) 3.42 5,100 lbs. (2 313 kg) 10,000 lbs. (4 536 kg) 3.73 5,500 lbs. (2 495 kg) 10,500 lbs. (4 763 kg) 4.10 6,100 lbs. ...
GMC 2004 Envoy - page 300

Weight of the Trailer Tongue The tongue load (A) of any trailer is an important weight to measure because it affects the total or gross weight of your vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the vehicle, any cargo you may carry in it, and the people who will be riding in the vehicle. If you have a lot of options, equipme ...
GMC 2004 Envoy - page 301

After you’ve loaded your trailer, weigh the trailer and then the tongue, separately, to see if the weights are proper. If they aren’t, you may be able to get them right simply by moving some items around in the trailer. Total Weight on Your Vehicle’s Tires Be sure your vehicle’s tires are inﬂated to the upper limit for cold tires. You’l ...
GMC 2004 Envoy - page 302

If you will be pulling a trailer that, when loaded, will weigh more than 5,000 lbs (2 270 kg) be sure to use a properly mounted weight-distributing hitch and sway control of the proper size. This equipment is very important for proper vehicle loading and good handling when driving. Always use a sway control if the trailer will weigh more than these ...
GMC 2004 Envoy - page 303

Driving with a Trailer { CAUTION: If you have a rear-most window open and you pull a trailer with your vehicle, carbon monoxide (CO) could come into your vehicle. You can not see or smell CO. It can cause unconsciousness or death. See Engine Exhaust on page 2-34 . To maximize your safety when towing a trailer: • Have your exhaust system inspected ...
GMC 2004 Envoy - page 304

Before you start, check all trailer hitch parts and and attachments, safety chains, electrical connection, lamps, tires and mirror adjustment. If the trailer has electric brakes, start your vehicle and trailer moving and then apply the trailer brake controller by hand to be sure the brakes are working. This lets you check your electrical connection ...
GMC 2004 Envoy - page 305

Turn Signals When Towing a Trailer The arrows on your instrument panel will ﬂash whenever you signal a turn or lane change. Properly hooked up, the trailer lamps will also ﬂash, telling other drivers you’re about to turn, change lanes or stop. When towing a trailer, the arrows on your instrument panel will ﬂash for turns even if the bulbs o ...
GMC 2004 Envoy - page 306

Parking on Hills { CAUTION: You really should not park your vehicle, with a trailer attached, on a hill. If something goes wrong, your rig could start to move. People can be injured, and both your vehicle and the trailer can be damaged. But if you ever have to park your rig on a hill, here’s how to do it: 1. Apply your regular brakes, but don’t ...
GMC 2004 Envoy - page 307

When You Are Ready to Leave After Parking on a Hill 1. Apply your regular brakes and hold the pedal down while you: • start your engine, • shift into a gear, and • release the parking brake. 2. Let up on the brake pedal. 3. Drive slowly until the trailer is clear of the chocks. 4. Stop and have someone pick up and store the chocks. Maintenanc ...
GMC 2004 Envoy - page 308

Trailer Wiring Harness Your vehicle may be equipped with the seven-wire trailer towing harness. This harness has a seven-pin universal heavy-duty trailer connector that is attached to a bracket on the hitch platform. The seven-wire harness contains the following trailer circuits: • Yellow: Left Stop/Turn Signal • Dark Green: Right Stop/Turn Sig ...
GMC 2004 Envoy - page 309

Service ........................................................... .5-3 Doing Your Own Service Work ........................ .5-3 Adding Equipment to the Outside of Your Vehicle .......................................... .5-4 Fuel ............................................................... .5-4 Gasoline Octane ................................. ...
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Accessory Inﬂator ........................................ .5-71 If a Tire Goes Flat ....................................... .5-73 Changing a Flat Tire .................................... .5-74 Spare Tire .................................................. .5-87 Appearance Care ........................................... .5-88 Cleaning the Inside ...
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Service Your dealer knows your vehicle best and wants you to be happy with it. We hope you will go to your dealer for all your service needs. You will get genuine GM parts and GM-trained and supported service people. We hope you will want to keep your GM vehicle all GM. Genuine GM parts have one of these marks: California Proposition 65 Warning Mos ...
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You should keep a record with all parts receipts and list the mileage and the date of any service work you perform. See Maintenance Record on page 6-16 . { CAUTION: You can be injured and your vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it. • Be sure you have suff icient knowledge, experience, ...
GMC 2004 Envoy - page 313

Gasoline Speciﬁcations It is recommended that gasoline meet speciﬁcations which were developed by automobile manufacturers around the world and contained in the World-Wide Fuel Charter which is available from the Alliance of Automobile Manufacturers at www.autoalliance.org/fuel_charter.htm. Gasoline meeting these speciﬁcations could provide i ...
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Additives To provide cleaner air, all gasolines in the United States are now required to contain additives that will help prevent engine and fuel system deposits from forming, allowing your emission control system to work properly. You should not have to add anything to your fuel. However, some gasolines contain only the minimum amount of additive ...
GMC 2004 Envoy - page 315

Filling Your Tank { CAUTION: Fuel vapor burns violently and a fuel ﬁre can cause bad injuries. To help avoid injuries to you and others, read and follow all the instructions on the pump island. Turn off your engine when you are refueling. Do not smoke if you are near fuel or refueling your vehicle. Keep sparks, ﬂames and smoking materials away ...
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While refueling, hang the fuel cap by the tether using the hook located on the inside of the ﬁller door. To remove the fuel cap, turn it slowly to the left (counterclockwise). { CAUTION: If you spill fuel and then something ignites it, you could be badly burned. Fuel can spray out on you if you open the fuel cap too quickly. This spray can happen ...
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{ CAUTION: If a ﬁre starts while you are refueling, do not remove the nozzle. Shut off the ﬂow of fuel by shutting off the pump or by notifying the station attendant. Leave the area immediately. Notice: If you need a new fuel cap, be sure to get the right type. Your dealer can get one for you. If you get the wrong type, it may not ﬁt properly ...
GMC 2004 Envoy - page 318

Checking Things Under the Hood { CAUTION: Things that burn can get on hot engine parts and start a ﬁre. These include liquids like fuel, oil, coolant, brake ﬂuid, windshield washer and other ﬂuids, and plastic or rubber. You or others could be burned. Be careful not to drop or spill things that will burn onto a hot engine. Hood Release 1. To ...
GMC 2004 Envoy - page 319

2. Then go to the front of the vehicle and release the secondary hood release. 3. Lift the hood; release the hood prop from its retainer and put the hood prop into the slot in the hood. Before closing the hood, be sure all ﬁller caps are on properly. Then lift the hood to relieve pressure on the hood prop. Remove the hood prop from its slot in th ...
GMC 2004 Envoy - page 320

Engine Compartment Overview When you open the hood on the L6 engine, you’ll see the following: 5-12 ...
GMC 2004 Envoy - page 321

A. Coolant Recovery Tank. See Engine Coolant on page 5-24 . B. Engine Air Cleaner/Filter. See Engine Air Cleaner/Filter on page 5-21 . C. Windshield Washer Fluid Reservoir. See Windshield Washer Fluid on page 5-38 . D. Power Steering Fluid Reservoir. See Power Steering Fluid on page 5-37 . E. Automatic Transmission Dipstick. See Automatic Transmiss ...
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When you open the hood on the V8 engine, you’ll see the following: 5-14 ...
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A. Coolant Recovery Tank. See Engine Coolant on page 5-24 . B. Engine Air Cleaner/Filter. See Engine Air Cleaner/Filter on page 5-21 . C. Windshield Washer Fluid Reservoir. See Windshield Washer Fluid on page 5-38 . D. Engine Oil Dipstick. See Engine Oil on page 5-16 . E. Automatic Transmission Dipstick. See Automatic Transmission Fluid on page 5-2 ...
GMC 2004 Envoy - page 324

Engine Oil Checking Engine Oil It is a good idea to check your engine oil every time you get fuel. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handle is a yellow loop. See Engine Compartment Overview on page 5-12 for the location of the engine oil dipstick. Turn off the ...
GMC 2004 Envoy - page 325

When to Add Engine Oil If the oil is at or below the L mark for the L6 engine or the cross-hatched area at the tip of the dipstick for the V8 engine, then you will need to add at least one quart of oil. But you must use the right kind. This section explains what kind of oil to use. For engine oil crankcase capacity, see Capacities and Speciﬁcatio ...
GMC 2004 Envoy - page 326

• SAE 5W-30 As shown in the viscosity chart, SAE 5W-30 is best for your vehicle. However, if it is going to be 0°F (–18°C) or above and SAE 5W-30 is not available, you may use SAE 10W-30. These numbers on an oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 20W-50. Oils meeting these requirements shou ...
GMC 2004 Envoy - page 327

Notice: Use only engine oil identiﬁed as meeting GM Standard GM6094M and showing the American Petroleum Institute Certiﬁed For Gasoline Engines starburst symbol. Failure to use the recommended oil can result in engine damage not covered by your warranty. GM Goodwrench ® oil meets all the requirements for your vehicle. If you are in an area of ...
GMC 2004 Envoy - page 328

How to Reset the CHANGE ENGINE OIL Light The GM Oil Life System calculates when to change your engine oil and ﬁlter based on vehicle use. Anytime your oil is changed, reset the system so it can calculate when the next oil change is required. If a situation occurs where you change your oil prior to a CHANGE ENGINE OIL light being turned on, reset ...
GMC 2004 Envoy - page 329

Engine Air Cleaner/Filter See Engine Compartment Overview on page 5-12 for the location of the engine air cleaner/ﬁlter. When to Inspect Inspect the air cleaner/ﬁlter at every oil change and replace at the ﬁrst oil change after 25,000 miles (40 000 km). How to Inspect To inspect the air cleaner/ﬁlter, remove the ﬁlter from the vehicle and ...
GMC 2004 Envoy - page 330

Automatic Transmission Fluid When to Check and Change A good time to check your automatic transmission ﬂuid level is when the engine oil is changed. Change both the ﬂuid and ﬁlter every 50,000 miles (83 000 km) if the vehicle is mainly driven under one or more of these conditions: • In heavy city traff ic where the outside temperature regul ...
GMC 2004 Envoy - page 331

A cold ﬂuid check can be made after the vehicle has been sitting for eight hours or more with the engine off, but this is used only as a reference. Let the engine run at idle for ﬁve minutes if outside temperatures are 50°F (10°C) or more. If it’s colder than 50°F (10°C), you may have to idle the engine longer. Should the ﬂuid level be ...
GMC 2004 Envoy - page 332

How to Add Fluid Refer to the Maintenance Schedule to determine what kind of transmission ﬂuid to use. See Recommended Fluids and Lubricants on page 6-13 . Add ﬂuid only after checking the transmission ﬂuid while it is hot. (A cold check is used only as a reference.) If the ﬂuid level is low, add only enough of the proper ﬂuid to bring th ...
GMC 2004 Envoy - page 333

What to Use Use a mixture of one-half clean, drinkable water and one-half DEX-COOL ® coolant. If you use this coolant mixture, you don’t need to add anything else. { CAUTION: Adding only plain water to your cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil before the proper coolant mixture will. Your ve ...
GMC 2004 Envoy - page 334

Checking Coolant The engine coolant recovery tank is in the engine compartment on the passenger’s side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location. The vehicle must be on a level surface. When your engine is cold, the coolant level should be at FULL COLD, or a little higher. Adding Coolant If you ...
GMC 2004 Envoy - page 335

Add coolant mixture at the recovery tank, but be careful not to spill it. { CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. Occasionally check the coolant level in the radiator. For information on how to ...
GMC 2004 Envoy - page 336

Engine Overheating You will ﬁnd a coolant temperature gage on your vehicle’s instrument panel. If your vehicle has a DIC, the display will show an Engine Coolant Hot or Engine Overheated message. If Steam Is Coming From Your Engine { CAUTION: Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the ...
GMC 2004 Envoy - page 337

If No Steam Is Coming From Your Engine If you get an engine overheat warning but see or hear no steam, the problem may not be too serious. Sometimes the engine can get a little too hot when you: • Climb a long hill on a hot day. • Stop after high-speed driving. • Idle for long periods in traff ic. • Tow a trailer. If you get the overheat wa ...
GMC 2004 Envoy - page 338

Cooling System When you decide it’s safe to lift the hood, here’s what you’ll see: A. Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Fan If the coolant inside the coolant recovery tank is boiling, don’t do anything else until it cools down. The vehicle should be parked on a level surface. L6 Engine V8 Engine 5-30 ...
GMC 2004 Envoy - page 339

The coolant level should be at least up to the FULL COLD mark. If it isn’t, you may have a leak at the pressure cap or in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. { CAUTION: Heater and radiator hoses, and other engine parts, can be very hot. Do not touch them. If you do, you can be burned. Do ...
GMC 2004 Envoy - page 340

How to Add Coolant to the Coolant Recovery Tank If you haven’t found a problem yet, but the coolant level isn’t at the FULL COLD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOL ® engine coolant at the coolant recovery tank. See Engine Coolant on page 5-24 for more information. { CAUTION: Adding only plain water to your cooling ...
GMC 2004 Envoy - page 341

When the coolant in the coolant recovery tank is at the FULL COLD mark, start your vehicle. If the overheat warning continues, there’s one more thing you can try. You can add the proper coolant mixture directly to the radiator, but be sure the cooling system is cool before you do it. { CAUTION: Steam and scalding liquids from a hot cooling system ...
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How to Add Coolant to the Radiator 1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise about one full turn. If you hear a hiss, wait for that to stop. A hiss means there is still some pressure left. 2. Then k ...
GMC 2004 Envoy - page 343

3. Fill the radiator with the proper DEX-COOL ® coolant mixture, up to the base of the ﬁller neck. See Engine Coolant on page 5-24 for more information about the proper coolant mixture. 4. Then ﬁll the coolant recovery tank to the FULL COLD mark. 5. Put the cap back on the coolant recovery tank, but leave the radiator pressure cap off. 5-35 ...
GMC 2004 Envoy - page 344

6. Start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fan. 7. By this time, the coolant level inside the radiator ﬁller neck may be lower. If the level is lower, add more of the proper DEX-COOL ® coolant mixture through the ﬁller neck until the level reaches the base of the ...
GMC 2004 Envoy - page 345

Power Steering Fluid The power steering ﬂuid reservoir is located in the engine compartment. It is on the passenger’s side of vehicles with the L6 engine and is on the driver’s side of vehicles with the V8 engine. See Engine Compartment Overview on page 5-12 for reservoir location. When to Check Power Steering Fluid It is not necessary to reg ...
GMC 2004 Envoy - page 346

Windshield Washer Fluid What to Use When you need windshield washer ﬂuid, be sure to read the manufacturer’s instructions before use. If you will be operating your vehicle in an area where the temperature may fall below freezing, use a ﬂuid that has suff icient protection against freezing. Adding Washer Fluid Open the cap with the washer symb ...
GMC 2004 Envoy - page 347

Brakes Brake Fluid Your brake master cylinder reservoir is ﬁlled with DOT-3 brake ﬂuid. See Engine Compartment Overview on page 5-12 for the location of the reservoir. There are only two reasons why the brake ﬂuid level in the reservoir might go down. The ﬁrst is that the brake ﬂuid goes down to an acceptable level during normal brake lin ...
GMC 2004 Envoy - page 348

Checking Brake Fluid You can check the brake ﬂuid without taking off the cap. Just look at the brake ﬂuid reservoir. The ﬂuid level should be above MIN. If it is not, have your brake system checked to see if there is a leak. After work is done on the brake hydraulic system, make sure the level is above the MIN but not over the MAX mark. What ...
GMC 2004 Envoy - page 349

Brake Wear Your vehicle has four-wheel disc brakes. Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are worn and new pads are needed. The sound may come and go or be heard all the time your vehicle is moving (except when you are pushing on the brake pedal ﬁrmly). { CAUTION: The brake wear w ...
GMC 2004 Envoy - page 350

Replacing Brake System Parts The braking system on a vehicle is complex. Its many parts have to be of top quality and work well together if the vehicle is to have really good braking. Your vehicle was designed and tested with top-quality GM brake parts. When you replace parts of your braking system — for example, when your brake linings wear down ...
GMC 2004 Envoy - page 351

Jump Starting If your battery has run down, you may want to use another vehicle and some jumper cables to start your vehicle. But please use the following steps to do it safely. { CAUTION: Batteries can hurt you. They can be dangerous because: • They contain acid that can burn you. • They contain gas that can explode or ignite. • They contain ...
GMC 2004 Envoy - page 352

Notice: If you leave your radio or other accessories on during the jump starting procedure, they could be damaged. The repairs would not be covered by your warranty. Always turn off your radio and other accessories when jump starting your vehicle. 3. Turn of f the ignition on both vehicles. Unplug unnecessary accessories plugged into the cigarette ...
GMC 2004 Envoy - page 353

{ CAUTION: Fans or other moving engine parts can injure you badly. Keep your hands away from moving parts once the engine is running. 5. Check that the jumper cables don’t have loose or missing insulation. If they do, you could get a shock. The vehicles could be damaged too. Before you connect the cables, here are some basic things you should kno ...
GMC 2004 Envoy - page 354

8. Now connect the black negative ( − ) cable to the negative ( − ) terminal of the good battery. Use a remote negative ( − ) terminal if the vehicle has one. Don’t let the other end touch anything until the next step. The other end of the negative ( − ) cable doesn’t go to the dead battery. It goes to a heavy, unpainted metal engine pa ...
GMC 2004 Envoy - page 355

A. Heavy, Unpainted Metal Engine Part or Remote Negative ( − ) Terminal B. Good Battery or Remote Positive (+) and Remote Negative ( − ) Terminals C. Dead Battery or Remote Positive (+) Terminal To disconnect the jumper cables from both vehicles, do the following: 1. Disconnect the black negative ( − ) cable from the vehicle that had the dead ...
GMC 2004 Envoy - page 356

Rear Axle When to Check Lubricant It is not necessary to regularly check rear axle ﬂuid unless you suspect there is a leak or you hear an unusual noise. A ﬂuid loss could indicate a problem. Have it inspected and repaired. How to Check Lubricant To get an accurate reading, the vehicle should be on a level surface. The proper level is from 0 to ...
GMC 2004 Envoy - page 357

Four-Wheel Drive Transfer Case When to Check Lubricant It is not necessary to regularly check ﬂuid unless you suspect there is a leak or you hear an unusual noise. A ﬂuid loss could indicate a problem. Have it inspected and repaired. How to Check Lubricant To get an accurate reading, the vehicle should be on a level surface. If the level is bel ...
GMC 2004 Envoy - page 358

Front Axle When to Check Lubricant It is not necessary to regularly check front axle ﬂuid unless you suspect there is a leak or you hear an unusual noise. A ﬂuid loss could indicate a problem. Have it inspected and repaired. How to Check Lubricant To get an accurate reading, the vehicle should be on a level surface. If the level is below the bo ...
GMC 2004 Envoy - page 359

Bulb Replacement For the type of bulbs, see Replacement Bulbs on page 5-53 . For any bulb changing procedure not listed in this section, contact your dealer. Halogen Bulbs { CAUTION: Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on ...
GMC 2004 Envoy - page 360

Taillamps and Turn Signal Lamps 1. Open the liftgate. 2. Remove the two screws from the lamp assembly. 3. Pull the assembly away from the vehicle. 4. Unclip the wiring harness (A) and remove the three socket retaining screws (B). 5. Remove the socket by releasing the retaining tabs. 6. Holding the socket, pull the bulb to release it from the socket ...
GMC 2004 Envoy - page 361

Replacement Bulbs Exterior Lamp Bulb Number Halogen Headlamps Low Beam 9006 HB4 High Beam 9005 HB3 Front Sidemarker Lamps 194 Front Turn Signal Lamps 3457 Tail and Stoplamps 3057 Rear Turn Signal Lamps 3057 Back Up Lamps 3157 For any bulb not listed here, contact your dealer. Windshield Wiper Blade Replacement Windshield wiper blades should be insp ...
GMC 2004 Envoy - page 362

3. Remove the insert from the blade assembly. The insert has two notches at one end that are locked by the bottom claws of the blade assembly. At the notched end, pull the insert from the blade assembly. 4. To install the new wiper insert, slide the insert (D), notched end last, into the end with two blade claws (A). Slide the insert all the way th ...
GMC 2004 Envoy - page 363

6. Put the blade assembly pivot in the wiper arm hook. Pull up until the pivot locking tab locks in the hook slot. 7. Carefully lower the wiper arm and blade assembly onto the windshield. Backglass Wiper Blade Replacement See Windshield Wiper Blade Replacement on page 5-53 for instructions on how to change the backglass wiper blade. The backglass w ...
GMC 2004 Envoy - page 364

Tire Sidewall Labeling Useful information about a tire is molded into the sidewall. The following illustrations are examples of a typical P-Metric and a LT-Metric tire sidewall. P-Metric Tire 5-56 ...
GMC 2004 Envoy - page 365

(A) Tire Size Code: The tire size code is a combination of letters and numbers used to deﬁne a particular tire’s width, height, aspect ratio, construction type and service description. See the “Tire Size Code” illustration later in this section for more detail. (B) Tire Performance Criteria Speciﬁcation (TPC Spec): Original equipment tire ...
GMC 2004 Envoy - page 366

(A) Tire Size: The tire size code is a combination of letters and numbers used to deﬁne a particular tire’s width, height, aspect ratio, construction type and service description. See the “Tire Size” illustration later in this section for more detail. (B) Tire Performance Criteria Speciﬁcation (TPC Spec): Original equipment tires designed ...
GMC 2004 Envoy - page 367

(E) Tire Identiﬁcation Number (TIN): The letters and numbers following DOT code are the Tire Identiﬁcation Number (TIN). The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture. (F) Tire Ply Material: The ...
GMC 2004 Envoy - page 368

(C) Aspect Ratio: A two-digit number that indicates the tire height-to-width measurements. For example, if the tire size aspect ratio is “75,” as shown in item “C” of the illustration, it would mean that the tire’s sidewall is 75% as high as it is wide. (D) Construction Code: A letter code is used to indicate the type of ply construction ...
GMC 2004 Envoy - page 369

(D) Construction Code: A letter code is used to indicate the type of ply construction in the tire. The letter “R” means radial ply construction; the letter “D” means diagonal or bias ply construction; and the letter “B” means belted-bias ply construction. (E) Rim Diameter: Diameter of the wheel in inches. (F) Service Description: The se ...
GMC 2004 Envoy - page 370

GVWR: Gross Vehicle Weight Rating, see Loading Your Vehicle on page 4-49 . GAWR FRT: Gross Axle Weight Rating for the front axle, see Loading Your Vehicle on page 4-49 . GAWR RR: Gross Axle Weight Rating for the rear axle, see Loading Your Vehicle on page 4-49 . Intended Outboard Sidewall: The side of an asymmetrical tire, that must always face out ...
GMC 2004 Envoy - page 371

Radial Ply tire: A pneumatic tire in which the ply cords that extend to the beads are laid at 90 degrees to the centerline of the tread. Rim: A metal support for a tire and upon which the tire beads are seated. Sidewall: The portion of a tire between the tread and the bead. Speed Rating: An alphanumeric code assigned to a tire indicating the maximu ...
GMC 2004 Envoy - page 372

Inﬂation - Tire Pressure The tire and loading information label, shows the correct inﬂation pressures for your tires when they’re cold. “Cold” means your vehicle has been sitting for at least three hours or driven no more than 1 mile (1.6 km). See Loading Your Vehicle on page 4-49 , for the location of your vehicle’s tire and loading in ...
GMC 2004 Envoy - page 373

Remove the valve cap from the tire valve stem. Press the tire gage ﬁrmly onto the valve to get a pressure measurement. If the cold tire inﬂation pressure matches the recommended pressure on the tire and loading information label, no further adjustment is necessary. If the pressure is low, add air until you reach the recommended amount. If you o ...
GMC 2004 Envoy - page 374

After the tires have been rotated, adjust the front and rear inﬂation pressures as shown on the Certiﬁcation/Tire label or the Tire and Loading Information label. Make certain that all wheel nuts are properly tightened. See “Wheel Nut Torque” under Capacities and Speciﬁcations on page 5-109 . { CAUTION: Rust or dirt on a wheel, or on the ...
GMC 2004 Envoy - page 375

Buying New Tires To ﬁnd out what kind and size of tires you need, look at the Certiﬁcation/Tire label or the Tire and Loading Information label. For examples of these labels and their location on your vehicle, see Loading Your Vehicle on page 4-49 . The tires installed on your vehicle when it was new had a Tire Performance Criteria Speciﬁcati ...
GMC 2004 Envoy - page 376

Uniform Tire Quality Grading Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: Treadwear 200 Traction AA Temperature A The following information relates to the system developed by the United States National Highway Traff ic Safety Administration, which grades tires by tr ...
GMC 2004 Envoy - page 377

Temperature – A, B, C The temperature grades are A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a speciﬁed indoor laboratory test wheel. Sustained high temperature can cause the material of the tire to degenerate and reduce ti ...
GMC 2004 Envoy - page 378

Each new wheel should have the same load-carrying capacity, diameter, width, offset and be mounted the same way as the one it replaces. If you need to replace any of your wheels, wheel bolts or wheel nuts, replace them only with new GM original equipment parts. This way, you will be sure to have the right wheel, wheel bolts and wheel nuts for your ...
GMC 2004 Envoy - page 379

Tire Chains { CAUTION: Don’t use tire chains. There’s not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to the brakes, suspension or other vehicle parts. The area damaged by the tire chains could cause you to lose control of your vehicle and you or others may be injured in a crash. Use a ...
GMC 2004 Envoy - page 380

To use the air inﬂator, attach the appropriate nozzle adapter to the end of the hose if required. Then attach that end of the hose to the object you wish to inﬂate. Attach the other end of the hose to the outlet. Press and release the switch to turn the air inﬂator on. The indicator light will remain on when the inﬂator is running. The syst ...
GMC 2004 Envoy - page 381

If a Tire Goes Flat It’s unusual for a tire to “blowout” while you’re driving, especially if you maintain your tires properly. If air goes out of a tire, it’s much more likely to leak out slowly. But if you should ever have a “blowout,” here are a few tips about what to expect and what to do: If a front tire fails, the ﬂat tire will ...
GMC 2004 Envoy - page 382

Changing a Flat Tire If a tire goes ﬂat, avoid further tire and wheel damage by driving slowly to a level place. Turn on your hazard warning ﬂashers. { CAUTION: Changing a tire can be dangerous. The vehicle can slip off the jack and roll over or fall on you or other people. You and they could be badly injured or even killed. Find a level place ...
GMC 2004 Envoy - page 383

Removing the Spare Tire and Tools The jacking equipment you will need is stored under the rear seat in the Envoy or in the left rear quarter panel storage compartment in the Envoy XL. To release the jack from its holder, turn the knob on the jack counterclockwise to lower the jack head. See Rear Seat Operation on page 1-5 Envoy Envoy XL 5-75 ...
GMC 2004 Envoy - page 384

The tools you’ll be using include the wheel wrench (A), wheel blocks (B), extension(s) (socket end) (C), handle (jack end) (D), and jack (E). The following instructions explain how to remove the spare tire mounted underneath your vehicle. Notice: If you remove or restow a tire from/to the storage position under the vehicle when it is supported by ...
GMC 2004 Envoy - page 385

2. Turn the wheel wrench counterclockwise to lower the spare tire. Keep turning the wheel wrench until the spare tire can be pulled out from under the vehicle. If the spare tire does not lower to the ground, the secondary latch is engaged causing the tire not to lower. See “Secondary Latch System” later in this section. When the tire has been c ...
GMC 2004 Envoy - page 386

Secondary Latch System Your vehicle has an underbody mounted tire hoist assembly equipped with a secondary latch system. It’s designed to stop the spare or ﬂat road tire from suddenly falling off your vehicle if the cable holding the spare tire is damaged. For the secondary latch to work, the spare tire must be stored with the valve stem pointi ...
GMC 2004 Envoy - page 387

2. If it is not visible, proceed to Step 6. If visible, ﬁrst try to tighten the cable by turning the wheel wrench clockwise until you hear two clicks or feel it skip twice. You cannot overtighten the cable. 3. Loosen the cable by turning the wheel wrench counterclockwise three or four turns. 4. Repeat this procedure at least two times. If the spa ...
GMC 2004 Envoy - page 388

9. Lower the jack by turning the wheel wrench counterclockwise. Keep lowering the jack until the spare tire slides off the jack or is hanging by the cable. 10. Disconnect the jack handle from the jack and carefully remove the jack. Use one hand to push against the spare while ﬁrmly pulling the jack out from under the spare tire with the other han ...
GMC 2004 Envoy - page 389

Removing the Flat Tire and Installing the Spare Tire 1. Using the wheel wrench, loosen all the wheel nuts. Don’t remove them yet. 2. Turn the jack adjusting knob clockwise by hand to raise the jack lift head. 3. Place the handle, extension and wheel wrench onto the jack. A. Front Frame/Rear Axle B. Jack C. Handle D. Extension(s) E. Wheel Wrench F ...
GMC 2004 Envoy - page 390

4. Place the jack in the appropriate position nearest the ﬂat tire. { CAUTION: Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. { CAUTION: Raising your vehicle with the jack improperly positioned can dam ...
GMC 2004 Envoy - page 391

6. Remove all the wheel nuts and take of f the ﬂat tire. 7. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. { CAUTION: Rust or dirt on the wheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remo ...
GMC 2004 Envoy - page 392

11. Lower the vehicle by turning the jack handle counterclockwise. Lower the jack completely. 12. Use the wrench to tighten the wheel nuts ﬁrmly in a crisscross sequence as shown. { CAUTION: Incorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to come loose and even come off. This could lead to an accident. Be sure to use t ...
GMC 2004 Envoy - page 393

Storing a Flat or Spare Tire and Tools { CAUTION: Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. { CAUTION: The underbody-mounted spare tire needs to be stored with the valve stem poin ...
GMC 2004 Envoy - page 394

4. Raise the tire fully against the underside of the vehicle. Continue turning the wheel wrench clockwise until you hear two clicks or feel it skip twice. The spare tire hoist cannot be overtightened. 5. Make sure the tire is stored securely. Push, pull, and then try to turn the tire. If the tire moves, use the wheel wrench and socket end of the ex ...
GMC 2004 Envoy - page 395

A. Instruction Label B. Handle C. Extension(s) D. Wheel Wrench E. Wheel Blocks and Jack Spare Tire Your vehicle, when new, had a fully inﬂated spare tire. A spare tire may lose air over time, so check its inﬂation pressure regularly. See Inﬂation - Tire Pressure on page 5-64 and “Loading Your Vehicle” for information regarding proper tire ...
GMC 2004 Envoy - page 396

Appearance Care Remember, cleaning products can be hazardous. Some are toxic. Others can burst into ﬂames if you strike a match or get them on a hot part of the vehicle. Some are dangerous if you breathe their fumes in a closed space. When you use anything from a container to clean your vehicle, be sure to follow the manufacturer’s warnings and ...
GMC 2004 Envoy - page 397

Here are some cleaning tips: • Always read the instructions on the cleaner label. • Clean up stains as soon as you can — before they set. • Carefully scrape off any excess stain. • Use a clean cloth or sponge, and change to a clean area often. A soft brush may be used if stains are stubborn. • If a ring forms on fabric after spot cleani ...
GMC 2004 Envoy - page 398

Cleaning Vinyl Use warm water and a clean cloth. • Rub with a clean, damp cloth to remove dirt. You may have to do this more than once. • Things like tar, asphalt and shoe polish will stain if you do not get them off quickly. Use a clean cloth and vinyl cleaner. See your dealer for this product. Cleaning Leather Use a soft cloth with lukewarm w ...
GMC 2004 Envoy - page 399

Care of Safety Belts Keep belts clean and dry. { CAUTION: Do not bleach or dye safety belts. If you do, it may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only with mild soap and lukewarm water. Weatherstrips Silicone grease on weatherstrips will make them last longer, seal better, and ...
GMC 2004 Envoy - page 400

Finish Care Occasional waxing or mild polishing of your vehicle by hand may be necessary to remove residue from the paint ﬁnish. You can get GM-approved cleaning products from your dealer. See Vehicle Care/Appearance Materials on page 5-94 . If your vehicle has a “basecoat/clearcoat” paint ﬁnish. The clearcoat gives more depth and gloss to ...
GMC 2004 Envoy - page 401

Grime from the windshield will stick to the wiper blades and affect their performance. Clean the blade by wiping vigorously with a cloth soaked in full-strength windshield washer solvent. Then rinse the blade with water. Check the wiper blades and clean them as necessary; replace blades that look worn. Cleaning Aluminum Wheels Keep your wheels clea ...
GMC 2004 Envoy - page 402

Underbody Maintenance Chemicals used for ice and snow removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts such as fuel lines, frame, ﬂoor pan and exhaust system even though they have corrosion protection. At least every spring, ﬂush these materials from the under ...
GMC 2004 Envoy - page 403

Description Usage Swirl Remover Polish Removes swirl marks, ﬁne scratches and other light surface contamination. Cleaner Wax Removes light scratches and protects ﬁnish. Foaming Tire Shine Low Gloss Cleans, shines and protects in one easy step, no wiping necessary. Wash Wax Concentrate Medium foaming shampoo. Cleans and lightly waxes. Biodegrada ...
GMC 2004 Envoy - page 404

Service Parts Identiﬁcation Label You’ll ﬁnd this label on the inside of the glove box. It’s very helpful if you ever need to order parts. On this label is: • your VIN, • the model designation, • paint information and • a list of all production options and special equipment. Be sure that this label is not removed from the vehicle. E ...
GMC 2004 Envoy - page 405

Fuses and Circuit Breakers The wiring circuits in your vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of ﬁres caused by electrical problems. Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure you replace a bad fuse w ...
GMC 2004 Envoy - page 406

L6 Engine 5-98 ...
GMC 2004 Envoy - page 407

Fuses Usage 1 Electrically-Controlled Air Suspension 2 Passenger’s Side High-Beam Headlamp 3 Passenger’s Side Low-Beam Headlamp 4 Back-Up-Trailer Lamps 5 Driver’s Side High-Beam Headlamp 6 Driver’s Side Low-Beam Headlamp 7 Rear Window Washer, Headlamp Washer 8 Active Transfer Case 9 Windshield Washer 10 Powertrain Control Module B 11 Fog La ...
GMC 2004 Envoy - page 408

Fuses Usage 29 Oxygen Sensor 30 Air Conditioning 31 Truck Body Controller 32 Trailer 33 Anti-Lock Brakes (ABS) 34 Ignition A 35 Blower Motor 36 Ignition B 50 Passenger’s Side Trailer Turn 51 Driver’s Side Trailer Turn 52 Hazard Flashers 53 Electric Adjustable Pedal 54 A.I.R. Solenoid 56 A.I.R. Pump Relays Usage 37 Headlamp Washer 38 Rear Window ...
GMC 2004 Envoy - page 409

V8 Engine 5-101 ...
GMC 2004 Envoy - page 410

Fuses Usage 1 Electrically-Controlled Air Suspension 2 Passenger’s Side High-Beam Headlamp 3 Passenger’s Side Low-Beam Headlamp 4 Back-Up-Trailer Lamps 5 Driver’s Side High-Beam Headlamp 6 Driver’s Side Low-Beam Headlamp 7 Rear Window Washer, Headlamp Washer 8 Active Transfer Case 9 Windshield Washer 10 Powertrain Control Module B 11 Fog La ...
GMC 2004 Envoy - page 411

Fuses Usage 30 Air Conditioning 31 Truck Body Controller 1 32 Trailer 33 Anti-Lock Brakes (ABS) 34 Ignition A 35 Blower Motor 36 Ignition B 50 Passenger’s Side Trailer Turn 51 Driver’s Side Trailer Turn 52 Hazard Flashers 53 Oxygen Sensor Bank B 54 Oxygen Sensor Bank A 55 Injector Bank A 56 Injector Bank B 57 Electric Adjustable Pedal Relays Us ...
GMC 2004 Envoy - page 412

Rear Underseat Fuse Block Envoy Envoy 5-104 ...
GMC 2004 Envoy - page 413

Fuses Usage 01 Right Door Control Module 02 Left Door Control Module 03 Liftgate Module 2 04 Truck Body Controller 3 05 Rear Fog Lamps 06 Blank 07 Truck Body Controller 2 08 Power Seats 09 Rear Wiper 10 Driver Door Module 11 Ampliﬁer 12 Passenger Door Module 13 Rear Climate Controls 14 Left Rear Parking Lamps 15 Blank 16 Vehicle Center High-Mount ...
GMC 2004 Envoy - page 414

Fuses Usage 35 Blank 36 Heat Ventilation Air Conditioning B 37 Front Parking Lamps 38 Left Turn Signal 39 Heat Ventilation Air Conditioning 1 40 Truck Body Controller 4 41 Radio 42 Trailer Park 43 Right Turn Signal 44 Heat Ventilation Air Conditioning 45 Rear Fog Lamps 46 Auxiliary Power 1 47 Ignition 0 Fuses Usage 48 Four-Wheel Drive 49 Blank 50 T ...
GMC 2004 Envoy - page 415

Fuses Usage 01 Right Door Control Module 02 Left Door Control Module 03 Liftgate Module 2 04 Truck Body Controller 3 05 Rear Fog Lamps 06 Blank 07 Truck Body Controller 2 08 Power Seats 09 Rear Wiper 10 Driver Door Module 11 Ampliﬁer 12 Passenger Door Module 13 Rear Climate Controls 14 Left Rear Parking Lamps 15 Blank 16 Vehicle Center High-Mount ...
GMC 2004 Envoy - page 416

Fuses Usage 18 Locks 19 Liftgate Module/Driver Seat Module 20 Vent Window 21 Lock 22 Retained Accessory Power 23 Blank 24 Unlock 25 Blank 26 Blank 27 OH Battery/OnStar ® System 28 Sunroof 29 Rainsense™ Wipers 30 Parking Lamps 31 Truck Body Controller Accessory 32 Truck Body Controller 5 33 Front Wipers 34 Vehicle Stop 35 Blank Fuses Usage 36 Hea ...
GMC 2004 Envoy - page 417

Capacities and Speciﬁcations Capacities and Speciﬁcations Engine VIN Code Transmission Spark Plug Gap VORTEC™ 4200 L6 S M30 0.042 inches (1.07 mm) VORTEC™ 5300 V8 P M30 0.040 inches (1.01 mm) Application L6 Engine V8 Engine English Metric English Metric Wheel Nut Torque 100 lb ft 140 Y 100 lb ft 140 Y Cooling System Envoy 13.9 quarts 13.1 L ...
GMC 2004 Envoy - page 418

Application L6 Engine V8 Engine English Metric English Metric Differential Fluid Rear 3.6 pints 1.7 L 4.3 pints 2.0 L Front 1.7 pints 0.8 L 1.7 pints 0.8 L Fuel Tank Envoy 22.0 gallons 83.3 L 22.0 gallons 83.3 L Envoy XL 25.3 gallons 95.8 L 25.3 gallons 95.8 L All capacities are approximate. When adding, be sure to ﬁll to the appropriate level, a ...
GMC 2004 Envoy - page 419

Maintenance Schedule ..................................... .6-2 Introduction .................................................. .6-2 Maintenance Requirements ............................. .6-2 Your Vehicle and the Environment ................... .6-2 Using Your Maintenance Schedule ................... .6-3 Scheduled Maintenance .................... ...
GMC 2004 Envoy - page 420

Maintenance Schedule Introduction Important: Keep engine oil at the proper level and change as recommended. Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warranty and Owner Assistance booklet or your dealer for details. Maintenance Requirements Notice: Maintenance intervals, checks, inspection ...
GMC 2004 Envoy - page 421

Using Your Maintenance Schedule We at General Motors want to help you keep your vehicle in good working condition. But we do not know exactly how you will drive it. You may drive very short distances only a few times a week. Or you may drive long distances all the time in very hot, dusty weather. You may use your vehicle in making deliveries. Or yo ...
GMC 2004 Envoy - page 422

If you want to get service information, see Service Publications Ordering Information on page 7-12 . Owner Checks and Services on page 6-9 tells you what should be checked, when to check it and what you can easily do to help keep your vehicle in good condition. The proper replacement parts, ﬂuids and lubricants to use are listed in Recommended Fl ...
GMC 2004 Envoy - page 423

Scheduled Maintenance Service Maintenance I Maintenance II Change engine oil and ﬁlter. Reset oil life system. See Engine Oil on page 5-16 . An Emission Control Service. •• Visually check for any leaks or damage. See footnote (j). •• Inspect engine air cleaner ﬁlter. If necessary, replace ﬁlter. See Engine Air Cleaner/Filter on page 5 ...
GMC 2004 Envoy - page 424

Additional Required Services The following services should be performed at the ﬁrst maintenance service ( I or II ) after the indicated miles (kilometers) shown for each item. Additional Required Services Service and Miles (Kilometers) 25,000 (41 500) 50,000 (83 000) 75,000 (125 000) 100,000 (166 000) 125,000 (207 500) 150,000 (240 000) Inspect f ...
GMC 2004 Envoy - page 425

Additional Required Services (cont’d) Service and Miles (Kilometers) 25,000 (41 500) 50,000 (83 000) 75,000 (125 000) 100,000 (166 000) 125,000 (207 500) 150,000 (240 000) Change automatic transmission ﬂuid and ﬁlter (normal service). • Automatic transfer case only: Change transfer case ﬂuid. See footnote (g). •• • Replace spark plu ...
GMC 2004 Envoy - page 426

Maintenance Footnotes † The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle’s useful life. We, however, urge that all recommended maintenance services ...
GMC 2004 Envoy - page 427

(h) Change automatic transmission ﬂuid and ﬁlter if the vehicle is mainly driven under one or more of these conditions: − In heavy city traff ic where the outside temperature regularly reaches 90°F (32°C) or higher. − In hilly or mountainous terrain. − When doing frequent trailer towing. − Uses such as found in taxi, police or deliver ...
GMC 2004 Envoy - page 428

At Each Fuel Fill It is important to perform these underhood checks at each fuel ﬁll. Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. See Engine Oil on page 5-16 for further details. Notice: It is important to check your oil regularly and keep it at the proper level. Failure to keep your engine oil at the pr ...
GMC 2004 Envoy - page 429

At Least Once a Year Starter Switch Check { CAUTION: When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before you start, be sure you have enough room around the vehicle. 2. Firmly apply both the parking brake and the regular brake. See Parking Brake on page 2-29 if necessar ...
GMC 2004 Envoy - page 430

Ignition Transmission Lock Check While parked, and with the parking brake set, try to turn the ignition key to LOCK in each shift lever position. • The key should turn to LOCK only when the shift lever is in PARK (P). • The key should come out only in LOCK. Contact your GM Goodwrench dealer if service is required. Parking Brake and Automatic Tr ...
GMC 2004 Envoy - page 431

Recommended Fluids and Lubricants Fluids and lubricants identiﬁed below by name, part number or speciﬁcation may be obtained from your dealer. Usage Fluid/Lubricant Engine Oil Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute Certiﬁed for Gasoline Engines starburst symbol. GM Goodwrench oil meets all the ...
GMC 2004 Envoy - page 432

Usage Fluid/Lubricant Transfer Case AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626). Rear Driveline Center Spline and Universal Joints Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Constant Velocity Universal Joint Chassis Lubricant (GM Part N ...
GMC 2004 Envoy - page 433

Normal Maintenance Replacement Parts Replacement parts identiﬁed below by name, part number, or speciﬁcation can be obtained from your dealer. Part GM Part Number ACDelco ® Part Number Engine Oil Filter L6 89017342 PF61 V8 25010633 PF44 Engine Air Cleaner/Filter 15036141 A2014C Automatic Transmission Filter Kit 24200796 — Spark Plugs L6 2533 ...
GMC 2004 Envoy - page 434

Engine Drive Belt Routing Maintenance Record After the scheduled services are performed, record the date, odometer reading, who performed the service and the type of services performed in the boxes provided. See Maintenance Requirements on page 6-2 in this section. Any additional information from Owner Checks and Services on page 6-9 can be added o ...
GMC 2004 Envoy - page 435

Maintenance Record Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-17 ...
GMC 2004 Envoy - page 436

Maintenance Record (cont’d) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-18 ...
GMC 2004 Envoy - page 437

Customer Assistance and Information .............. .7-2 Customer Satisfaction Procedure ..................... .7-2 Online Owner Center ..................................... .7-4 Customer Assistance for Text Telephone (TTY) Users ............................... .7-4 Customer Assistance Off ices ........................... .7-4 GM Mobility Program fo ...
GMC 2004 Envoy - page 438

Customer Assistance and Information Customer Satisfaction Procedure Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of your vehicle will be resolved by your dealer’s sales or service departments. Sometimes, however, despite the best intentions of all concer ...
GMC 2004 Envoy - page 439

STEP THREE: Both General Motors and your dealer are committed to making sure you are completely satisﬁed with your new vehicle. However, if you continue to remain unsatisﬁed after following the procedure outlined in Steps One and Two, you should ﬁle with the BBB Auto Line Program to enforce any additional rights you may have. Canadian owners ...
GMC 2004 Envoy - page 440

Online Owner Center The Owner Center is a resource for your GM ownership needs. You can ﬁnd your speciﬁc vehicle information all in one place. The Owner Center allows you to: • Get e-mail service reminders. • Access information about your speciﬁc vehicle, including tips and videos and an electronic version of this owner’s manual. (Unite ...
GMC 2004 Envoy - page 441

United States Pontiac-GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172 1-800-GMC-8782 (462-8782) 1-800-GMC-8583 (462-8583) (For Text Telephone devices (TTYs)) Roadside Assistance: 1-800-GMC-8782 (462-8782) Fax Number: 313-381-0022 From Puerto Rico 1-800-496-9992 (English) 1-800-496-9993 (Spanish) Fax Number: 313-381-0022 U.S. Vi ...
GMC 2004 Envoy - page 442

GM Mobility Program for Persons with Disabilities This program, available to qualiﬁed applicants, can reimburse you up to $1,000 toward eligible aftermarket driver or passenger adaptive equipment you may require for your vehicle (hand controls, wheelchair/scooter lifts, etc.). This program can also provide you with free resource information, such ...
GMC 2004 Envoy - page 443

Roadside Assistance Program Security While You Travel 1-800-GMC-8782 (1-800-462-8782, Roadside Assistance prompt) As the proud owner of a new GMC vehicle, you are automatically enrolled in the GMC Roadside Assistance program. This value-added service is intended to provide you with peace of mind as you drive in the city or travel the open road. GMC ...
GMC 2004 Envoy - page 444

For prompt and eff icient assistance when calling, please provide the following to the Roadside Assistance Representative: • Your name, home address, and home telephone number • Telephone number of your location • Location of the vehicle • Model, year, color, and license plate number • Mileage, Vehicle Identiﬁcation Number, and delivery ...
GMC 2004 Envoy - page 445

If your vehicle cannot be scheduled into the service department immediately, keep driving it until it can be scheduled for service, unless, of course, the problem is safety-related. If it is, please call your dealership, let them know this, and ask for instructions. If the dealer requests that you simply drop the vehicle off for service, you are ur ...
GMC 2004 Envoy - page 446

Additional Program Information Courtesy Transportation is available during the Bumper-to-Bumper warranty coverage period, but it is not part of the New Vehicle Limited Warranty. A separate booklet entitled Warranty and Owner Assistance Information furnished with each new vehicle provides detailed warranty coverage information. Courtesy Transportati ...
GMC 2004 Envoy - page 447

To read this information, special equipment is needed and access to the vehicle or the SDM is required. GM will not access information about a crash event or share it with others other than • with the consent of the vehicle owner or, if the vehicle is leased, with the consent of the lessee, • in response to an off icial request of police or sim ...
GMC 2004 Envoy - page 448

Reporting Safety Defects to the Canadian Government If you live in Canada, and you believe that your vehicle has a safety defect, you should immediately notify Transport Canada, in addition to notifying General Motors of Canada Limited. You may write to: Transport Canada 330 Sparks Street Tower C Ottawa, Ontario K1A 0N5 Reporting Safety Defects to ...
GMC 2004 Envoy - page 449

Service Bulletins Service Bulletins give technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis and service of your vehicle. In Canada, information pertaining to Product Service Bulletins can be obtained by contacting your General Motors dealer or ...
GMC 2004 Envoy - page 450

✍ NOTES 7-14 ...
GMC 2004 Envoy - page 451

A Accessory Inﬂator ........................................... 5-71 Accessory Power Outlets ................................. 3-21 Adding a Snow Plow or Similar Equipment ......... 4-55 Adding W asher Fluid ....................................... 5-38 Additional Program Information ......................... 7-10 Additives, Fuel ................. ...
GMC 2004 Envoy - page 452

Audio System(s) (cont.) Theft-Deterrent Feature ............................... 3-119 Understanding Radio Reception ................... 3-120 XM™ Satellite Radio Antenna System ........... 3-122 Automatic Headlamp System ............................ 3-16 Automatic Transfer Case .................................. 2-26 Automatic T ransmission Fluid ...
GMC 2004 Envoy - page 453

Cassette T ape Messages ................................. 3-88 CD Adapter Kits ............................................. 3-88 CD Messages ............................... 3-76, 3-91, 3-105 Chains, Tires .................................................. 5-71 Charging System Light .................................... 3-39 Check Engine Light ..... ...
GMC 2004 Envoy - page 454

Compass Calibration ....................................... 2-36 Compass Operation ......................................... 2-36 Compass V ariance .......................................... 2-37 Content Theft-Deterrent .................................... 2-17 Control of a V ehicle .......................................... 4 - 6 Convenience Net . ...
GMC 2004 Envoy - page 455

Driving (cont.) Hill and Mountain Roads .............................. 4-38 In Rain and on Wet Roads ........................... 4-31 Winter ........................................................ 4-40 Driving Across an Incline .................................. 4-26 Driving Downhill .............................................. 4-24 Driving in M ...
GMC 2004 Envoy - page 456

Erasing HomeLink ® Buttons .............................. 2-45 Event Data Recorders (EDR) ............................ 7-10 Exit Lighting ................................................... 3-19 Express Down Window .................................... 2-16 Extender , Safety Belt ....................................... 1-26 Exterior Lamps ......... ...
GMC 2004 Envoy - page 457

Gasoline Octane ........................................................ 5 - 4 Speciﬁcations ............................................... 5 - 5 Gate Ajar Light ............................................... 3-49 Gate Operator and Canadian Programming ........ 2-45 Getting Familiar with Off-Road Driving ................ 4-19 Glove Box ........ ...
GMC 2004 Envoy - page 458

Inﬂation - T ire Pressure ................................... 5-64 Instrument Panel Cluster ....................................................... 3-36 Overview ..................................................... 3 - 4 Instrument Panel Brightness ............................. 3-18 Interior Lamps ................................................ ...
GMC 2004 Envoy - page 459

Locks Delayed Locking .......................................... 2-10 Door ........................................................... 2 - 8 Leaving Y our V ehicle .................................... 2-13 Lockout Protection ....................................... 2-13 Power Door .................................................. 2 - 9 Programmable ...
GMC 2004 Envoy - page 460

O Odometer ...................................................... 3-37 Off-Road Recovery .......................................... 4-13 Oil Change Engine Oil Light ............................... 3-47 Engine ....................................................... 5-16 Pressure Gage ............................................ 3-46 OIL PRESSURE LOW ...
GMC 2004 Envoy - page 461

Power Steering ............................................... 4-11 Programmable Automatic Door Locks ................. 2-10 Programmable Locking Feature ......................... 2-11 Programmable Unlocking Feature ...................... 2-12 Programming the HomeLink ® T ransmitter ........... 2-43 Q Questions and Answers About Safety Belts ..... ...
GMC 2004 Envoy - page 462

Removing the Flat T ire and Installing the Spare T ire .................................................. 5-81 Removing the Spare T ire and T ools ................... 5-75 Replacement Bulbs ......................................... 5-53 Replacing Brake System Parts .......................... 5-42 Reporting Safety Defects Canadian Government ....... ...
GMC 2004 Envoy - page 463

Securing a Child Restraint Center Seat Position .................................... 1-45 Designed for the LA TCH System ................... 1-42 Rear Outside Seat Position ........................... 1-43 Right Front Seat Position .............................. 1-46 Security Light ................................................. 3-47 Security Whi ...
GMC 2004 Envoy - page 464

T T achometer .................................................... 3-37 T aillamps T urn Signal Lamps ...................................... 5-52 T esting the Alarm ............................................ 2-18 Theft-Deterrent, Radio .................................... 3-119 Theft-Deterrent Systems ................................... 2-17 Cont ...
GMC 2004 Envoy - page 465

U Understanding Radio Reception ....................... 3-120 Uniform T ire Quality Grading ............................ 5-68 United States ................................................... 7 - 5 Used Replacement Wheels .............................. 5-70 Using Cleaner on Fabric .................................. 5-89 Using HomeLink ® .......... ...
GMC 2004 Envoy - page 466

When Y ou Are Ready to Leave After Parking on a Hill .................................. 4-65 Where to Put the Restraint ............................... 1-36 Why Safety Belts Work .................................... 1-10 Window Lockout ............................................. 2-16 Windows ....................................................... ...

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- GMC technical drawings
- 2004 Envoy manuals
- GMC product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual GMC 2004 Envoy.

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Comments (1)

GINO

14:03 29 Mar 2017

manuale italiano grazie mille

Manual GMC 2004 Envoy

Summary

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