1999 GMC Envoy Owner's Manual
1999 GMC Envoy Manual
1999 GMC Envoy manual content summary:
- 1999 GMC Envoy | Owner's Manual - Page 1
The 1999 GMC Envoy Owner's Manual 1-1 2-1 3-1 4-1 5-1 6-1 7-1 8-1 Seats and Restraint Systems This section tells you how to use your seats and if you have a problem while driving, such as a flat tire or overheated engine, etc. Service and Appearance Care Here the manual tells you how to keep - 1999 GMC Envoy | Owner's Manual - Page 2
. Litho in U.S.A. S9911 A First Edition For Canadian Owners Who Prefer a French Language Manual: Aux propriétaires canadiens: Vous pouvez vous procurer un exemplaire de ce guide en français chez votre concessionaire ou au: DGN Marketing Services Ltd. 1577 Meyerside Dr. Mississauga, Ontario L5T 1B9 - 1999 GMC Envoy | Owner's Manual - Page 3
Door Utility Index A good place to look for what you need is the Index in back of the manual. It's an alphabetical list of what's in the manual "off-road" driving guidelines in this manual. (See "Driving Guidelines" and " How to Use this Manual Many people read their owner's manual from beginning to - 1999 GMC Envoy | Owner's Manual - Page 4
something that can damage your vehicle. Many times, this damage would not be covered by your warranty, and it could be costly. But the notice will tell you what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or in different - 1999 GMC Envoy | Owner's Manual - Page 5
BATTERY CHARGING SYSTEM FUSE DOOR LOCK UNLOCK TURN SIGNALS LIGHTER PARKING LAMPS FASTEN SEAT BELTS WINDSHIELD DEFROSTER HORN BRAKE HAZARD WARNING FLASHER POWER WINDOW DAYTIME RUNNING LAMPS REAR WINDOW DEFOGGER COOLANT SPEAKER ENGINE OIL PRESSURE VENTILATING FAN FUEL AIR BAG FOG - 1999 GMC Envoy | Owner's Manual - Page 6
yellowblue NOTES vi - 1999 GMC Envoy | Owner's Manual - Page 7
Driver Position Safety Belt Use During Pregnancy Right Front Passenger Position Air Bag System Rear Seat Passengers 1-31 1-34 1-35 1-38 1-49 1-52 1-52 1-53 Rear Safety Belt Comfort Guides for Children and Small Adults Center Rear Passenger Position Children Child Restraints Larger Children Safety - 1999 GMC Envoy | Owner's Manual - Page 8
by moving the whole button toward the front of the vehicle. Raise the rear of the seat by raising the rear edge of the button. Lower the rear of the seat by lowering the rear edge of the button. Move the seat rearward by moving the whole button toward the rear of the vehicle. Moving the whole button - 1999 GMC Envoy | Owner's Manual - Page 9
outside of each seat. Memory Seat The memory seat control on the driver's seat looks like this. It is located on the left side of the driver's seat. Press and hold the front of the control until you have the desired lumbar support. To decrease lumbar support, press and hold the rear of the control - 1999 GMC Envoy | Owner's Manual - Page 10
switch to turn the heater on low. Press the upper part of the switch to turn the heater on high. Put the switch in the center position to turn the heater off. The passenger's safety belt must be engaged for the heated seat feature to work on the passenger's seat. Heated Front Seats This control is - 1999 GMC Envoy | Owner's Manual - Page 11
shoulder belt can't do its job because it won't be against your body. Instead, it will be in front of you. In a crash you could go into it, receiving neck is in motion, have the seatback upright. Then sit well back in the seat and wear your safety belt properly. But don't have a seatback reclined if - 1999 GMC Envoy | Owner's Manual - Page 12
and pull on the head restraints to check that they have locked in the upright position. If they haven't, have them fixed immediately. The rear seat head restraints are adjustable. Push the button located under the head restraint to raise or lower it. Slide the adjustable head restraint up or down - 1999 GMC Envoy | Owner's Manual - Page 13
Safety Belts: They're for Everyone This part of the manual tells you how to use safety belts properly 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 using a safety belt properly. CAUTION: Don't let anyone ride - 1999 GMC Envoy | Owner's Manual - Page 14
comes on as a reminder to buckle up. (See "Safety Belt Reminder Light" in the Index.) Why Safety Belts Work When you ride in or on anything, you go as fast as the facts are clear. In most crashes buckling up does matter ...a lot! Take the simplest vehicle. Suppose it's just a seat on wheels. 1-8 - 1999 GMC Envoy | Owner's Manual - Page 15
yellowblue Put someone on it. Get it up to speed. Then stop the vehicle. The rider doesn't stop. 1-9 - 1999 GMC Envoy | Owner's Manual - Page 16
yellowblue The person keeps going until stopped by something. In a real vehicle, it could be the windshield ... or the instrument panel ... 1-10 - 1999 GMC Envoy | Owner's Manual - Page 17
the future. But they are supplemental systems only; so they work with safety belts -- not instead of them. Every air bag system ever offered for sale has required the use of safety belts. Even if you're in a vehicle that has air bags, you still have to buckle up to get - 1999 GMC Envoy | Owner's Manual - Page 18
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 the part of this manual called "Children." Follow those rules for everyone - 1999 GMC Envoy | Owner's Manual - Page 19
yellowblue Lap-Shoulder Belt The driver has a lap-shoulder belt. Here's how to wear it properly. 1. Close and lock the door. 2. Adjust the seat (to see how, see "Seats" in the Index) so you can sit up straight. 3. Pick up the latch plate and pull the belt across you. Don't let it get twisted - 1999 GMC Envoy | Owner's Manual - Page 20
belt as you 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 The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks - 1999 GMC Envoy | Owner's Manual - Page 21
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. A: The shoulder belt is too loose. It won't give nearly as much protection this way. 1-15 - 1999 GMC Envoy | Owner's Manual - Page 22
yellowblue Q: What's wrong with this? 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 - 1999 GMC Envoy | Owner's Manual - Page 23
yellowblue Q: What's wrong with this? 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 much force to the - 1999 GMC Envoy | Owner's Manual - Page 24
. If a belt is twisted, make it straight so it can work properly, or ask your dealer to fix it. A: The belt is twisted across the body. 1-18 - 1999 GMC Envoy | Owner's Manual - Page 25
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. A pregnant woman should wear a lap-shoulder belt - 1999 GMC Envoy | Owner's Manual - Page 26
to making safety belts effective is wearing them properly. Air Bag System This part explains the air bag system. Your vehicle has "Next Generation" frontal air air bag for the driver and another air bag for the right front passenger. Next Generation frontal air bags are designed to help reduce the - 1999 GMC Envoy | Owner's Manual - Page 27
them. Air bags are designed to work only in moderate to severe crashes where the front of your vehicle hits something. They aren't designed to inflate at all in rollover, rear, side or low-speed frontal crashes. And, for unrestrained occupants, Next Generation air bags may provide less protection - 1999 GMC Envoy | Owner's Manual - Page 28
bag readiness light on the instrument panel, which part of this manual called "Children" and see the caution labels on the sunvisors and the right front passenger's safety belt. The system checks the air bag electrical system for malfunctions. The light tells you if there is an electrical problem - 1999 GMC Envoy | Owner's Manual - Page 29
yellowblue How the Air Bag System Works The right front passenger's air bag is in the instrument panel on the passenger's side. Where are the air bags? The driver's air bag is in the middle of the steering wheel. 1-23 - 1999 GMC Envoy | Owner's Manual - Page 30
The air bag is not designed to inflate in rollovers, side impacts or rear impacts, because inflation would not help the occupant. In any particular crash, no don't attach or put anything on the steering wheel hub or on or near any other air bag covering. When should an air bag inflate? An air bag - 1999 GMC Envoy | Owner's Manual - Page 31
wheel hub for the driver's air bag, or the instrument panel for the right front passenger's bag -- will be hot for a short time. The parts of the air. This dust could cause breathing problems for people with a history of asthma or other breathing trouble. To avoid this, everyone in the vehicle - 1999 GMC Envoy | Owner's Manual - Page 32
in another crash. A new system will include air bag modules and possibly other parts. The service manual for your vehicle covers the need to replace other parts. NOTICE: If you damage the covering for the driver's or the right front passenger's air bag, the bag may not work properly. You may have - 1999 GMC Envoy | Owner's Manual - Page 33
your vehicle and the air bag system. To purchase a service manual, see "Service and Owner Publications" in the Index. Adding Equipment to Your Air Bag-Equipped Vehicle Q: A: If I add a push bumper or a bicycle rack to the front of my vehicle, will it keep the air bags from working properly - 1999 GMC Envoy | Owner's Manual - Page 34
vehicle who are wearing safety belts. Lap-Shoulder Belt The positions next to the windows have lap-shoulder belts. Here's how to wear one properly. Rear Seat Outside Passenger Positions 1. Pick up the latch plate and pull the belt across you. Don't let it get twisted. The shoulder belt may lock - 1999 GMC Envoy | Owner's Manual - Page 35
on the buckle is positioned so you would be able to unbuckle the safety belt quickly if you ever had to. 3. To make the lap part tight, pull down on the buckle end of the belt as you pull up on the shoulder - 1999 GMC Envoy | Owner's Manual - Page 36
too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should fit against your body. 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 - 1999 GMC Envoy | Owner's Manual - Page 37
children who have outgrown child restraints and for small adults. When installed on a shoulder belt, the comfort guide pulls the belt away from the neck and head. 1. Pull the elastic cord out from between the edge of the seatback and the interior body to remove the guide from its storage clip. 1-31 - 1999 GMC Envoy | Owner's Manual - Page 38
and past the belt. The elastic cord must be under the belt. Then, place the guide over the belt, and insert the two edges of the belt into the slots of the guide. 3. Be sure that the belt is not twisted and it lies flat. The elastic cord must be under the - 1999 GMC Envoy | Owner's Manual - Page 39
storage clip, and then slide the guide onto the clip. Rotate the guide and clip inward and in between the seatback and the interior body, leaving only the loop of elastic cord exposed. 4. Buckle, position and release the safety belt as described in "Rear Seat Outside Passenger Positions" earlier in - 1999 GMC Envoy | Owner's Manual - Page 40
Position Lap Belt When you sit in the center rear seating position, you have a lap safety belt which has a retractor. 1. Pick up the latch plate and pull the belt across you. Don't let it get twisted. 2. - 1999 GMC Envoy | Owner's Manual - Page 41
and all children smaller than adult size. Neither the distance traveled nor the age and size of the traveler changes the need, for everyone, to properly in your vehicle. 4. Position and release it the same way as the lap part of a lap-shoulder belt. If the belt isn't long enough, see "Safety - 1999 GMC Envoy | Owner's Manual - Page 42
support for the head and neck. This is necessary because an infant's neck is weak and its head weighs so much compared with the rest of its body. In a frontal crash, an infant in a rear-facing restraint settles into the restraint, so the crash forces can be distributed across the strongest part - 1999 GMC Envoy | Owner's Manual - Page 43
yellowblue CAUTION: (Continued) at only 25 mph (40 km/h), a 12-lb. (5.5 kg) baby will suddenly become a 240-lb. (110 kg) force on your arms. The baby would be almost impossible to hold. Secure the baby in an infant restraint. CAUTION: Never hold a baby in your arms while riding in a vehicle. A - 1999 GMC Envoy | Owner's Manual - Page 44
restraints? Add-on child restraints are available in four basic types. When selecting a child restraint, take into consideration not only the child's weight and size, but also whether or not the restraint will be compatible with the motor vehicle in which it will be used. An infant car bed (A) is - 1999 GMC Envoy | Owner's Manual - Page 45
for infants of up to about 20 lbs. (9 kg) and about one year of age. This type of restraint faces the rear so that the infant's head, neck and body can have the support they need in a frontal crash. Some infant seats come in two parts -- the base stays secured in the vehicle and the - 1999 GMC Envoy | Owner's Manual - Page 46
(66 to 102 cm) in height, or up to around four years of age. One type, a convertible restraint, is designed to be used either as a rear-facing infant seat or a forward-facing child - 1999 GMC Envoy | Owner's Manual - Page 47
kg), and about four to eight years of age. A booster seat is designed to improve the fit of the vehicle's safety belt system. Booster seats with shields use lap-only belts; however, booster seats without shields use lap-shoulder belts. Booster seats can also help a child to see out the window. 1-41 - 1999 GMC Envoy | Owner's Manual - Page 48
that. Both the owner's manual and the child restraint instructions are important, so if either one of these is not available, obtain a replacement copy from the manufacturer. CAUTION: A child in a rear-facing child restraint can be seriously injured or killed if the right front passenger's air bag - 1999 GMC Envoy | Owner's Manual - Page 49
strap be anchored. If your child restraint has a top strap, it should be anchored. Anchor brackets for the rear outside seat positions are located on the floor in the cargo area. Don't use the front set of tie-down brackets. Anchor the top strap to the rearmost bracket on the same side of - 1999 GMC Envoy | Owner's Manual - Page 50
yellowblue Securing a Child Restraint in a Rear Outside Seat Position You'll be using the lap-shoulder belt. See the earlier part about the top strap if the child restraint has one. Be sure to follow the instructions that came with the child restraint. Secure the child in the child restraint when - 1999 GMC Envoy | Owner's Manual - Page 51
yellowblue 4. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 5. To tighten the belt, feed the shoulder belt back into the retractor while you push down on the child restraint. If you're using a forward-facing child restraint, you may find it helpful to use - 1999 GMC Envoy | Owner's Manual - Page 52
an adult or larger child passenger. Securing a Child Restraint in the Right Front Seat Position Center Seat Position Your vehicle has a right front passenger air bag. Never put a rear-facing child restraint in this seat. Here's why: Don't use child restraints in this position. The restraints won - 1999 GMC Envoy | Owner's Manual - Page 53
the earlier part about the top strap if the child restraint has one. Be sure to follow the instructions that came with the child restraint. Secure the child in the child restraint when and as the instructions say. 1. Because your vehicle has a right front passenger air bag, always move the seat as - 1999 GMC Envoy | Owner's Manual - Page 54
yellowblue 4. 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. 5. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 1-48 - 1999 GMC Envoy | Owner's Manual - Page 55
yellowblue Larger Children 6. To tighten the belt, feed the shoulder belt back into the retractor while you push down on the child restraint. You may find it helpful to use your knee to push down on the child restraint as you tighten the belt. 7. Push and pull the child restraint in different - 1999 GMC Envoy | Owner's Manual - Page 56
shoulder belt still is on the child's shoulder, so that in a crash the child's upper body would have the restraint that belts provide. If the child is sitting in a rear seat outside position, see "Rear Safety Belt Comfort Guides" in the Index. If the child is so small that the shoulder belt is still - 1999 GMC Envoy | Owner's Manual - Page 57
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 . Wherever the child sits, the lap portion of the belt should be worn low and snug on the hips, just touching the child's thighs. This applies belt force to the - 1999 GMC Envoy | Owner's Manual - Page 58
and just for the seat in your vehicle that you choose. Don't let someone else use it, and use it only for the seat it is made to fit reminder light and all your belts, buckles, latch plates, retractors and anchorages are working properly. Look for any other loose or damaged safety belt system parts. - 1999 GMC Envoy | Owner's Manual - Page 59
new belts. If you ever see a label on the driver's or the right front passenger's safety belt that says to replace the belt, be sure to do damage also may mean you will need to have safety belt or seat parts repaired or replaced. New parts and repairs may be necessary even if the belt wasn't being - 1999 GMC Envoy | Owner's Manual - Page 60
yellowblue NOTES 1-54 - 1999 GMC Envoy | Owner's Manual - Page 61
Engine While You're Parked Locking Rear Axle Windows Tilt Wheel Turn Signal/Multifunction Lever Exterior Lamps Interior Lamps Mirrors Storage Compartments Ashtrays and Cigarette Lighter Sun Visors Accessory Power Outlets Sunroof (If Equipped) Universal Transmitter Instrument Panel Instrument Panel - 1999 GMC Envoy | Owner's Manual - Page 62
yellowblue Keys CAUTION: Leaving children in a vehicle with the ignition key is dangerous for many reasons. A child or others could be badly injured or even killed. They could operate power windows or other controls or even make the vehicle move. Don't leave the keys in a vehicle with children. - 1999 GMC Envoy | Owner's Manual - Page 63
This vehicle has one double-sided key for the ignition and door locks. It will fit with either side up. The key has a number of new features that can help prevent theft. But you can have a lot of trouble getting into your vehicle if you ever lock your keys inside. You may even have to damage your - 1999 GMC Envoy | Owner's Manual - Page 64
. This may not be so obvious: You increase the chance of being thrown out of the vehicle in a crash if the doors aren't locked. Wear safety belts properly, lock your doors, and you will be far better off whenever you drive your vehicle. There are several ways to lock and unlock your - 1999 GMC Envoy | Owner's Manual - Page 65
located on the armrest. Remove the ignition key and press LOCK to lock all the doors at once. To unlock the doors, press the raised area next to the key symbol. The switch on each rear door works only that door's lock. To protect you from locking your key in the vehicle, this feature stops - 1999 GMC Envoy | Owner's Manual - Page 66
your door and set the locks from inside. Then get out and close the door. Changes or modifications to this system by other than an authorized service facility could D Check to determine if battery replacement or resynchronization is necessary. See the instructions that follow. vehicle. You may - 1999 GMC Envoy | Owner's Manual - Page 67
the liftgate, to unlock. The parking lamps will flash and the interior lights will come on. LOCK: Pressing this button once will lock all of the doors and the liftglass. Press LOCK again within three seconds and the horn will chirp. REAR: Press this button twice within three seconds to release the - 1999 GMC Envoy | Owner's Manual - Page 68
covers and snap them together. 4. Resynchronize the transmitter. 5. Check the operation of the transmitter. NOTICE: When replacing the battery, use care not to touch any of the circuitry. Static from your body transferred seconds. The door locks should cycle to confirm synchronization. If the locks do not - 1999 GMC Envoy | Owner's Manual - Page 69
between the body and the liftgate or liftglass: D Make sure all other windows are shut. D Turn the fan on your heating or cooling instrument panel, open them all the way. See "Engine Exhaust" in the Index. Liftgate Release To release the liftgate or liftglass, you may use your power door locks - 1999 GMC Envoy | Owner's Manual - Page 70
Emergency Release for Opening Liftgate 1. Peel back or slit the carpet locally to expose the access hole in the trim panel. 2. Use a thin screwdriver to reach through the access holes in both the trim panel and the hardware cover. Remote Liftglass Release This button on the passenger's side of - 1999 GMC Envoy | Owner's Manual - Page 71
not armed until the SECURITY light goes off. If a door is opened without the key or the remote keyless entry transmitter, the alarm will go off. Your vehicle's high-beam headlamps will flash and the horn will sound for 110 seconds, then will turn off to save the battery power. Parking Lots If you - 1999 GMC Envoy | Owner's Manual - Page 72
the vehicle, close the door and wait for the SECURITY light to go out. 4. Then reach in through the window, unlock the door with the manual door lock and open the door. This should set off the alarm. If the alarm does not sound when it should but the vehicle's high-beam headlamps flash, check to see - 1999 GMC Envoy | Owner's Manual - Page 73
engine starts. If the engine does not start after three (3) tries, the vehicle needs service. If the engine is running and the SECURITY light comes on, you will be able to restart the engine if you turn the engine service. In an emergency, call the GMC Roadside Assistance Center at 1-800-GMC brake - 1999 GMC Envoy | Owner's Manual - Page 74
keys in the vehicle with children. Use the key to turn the ignition switch to five different positions. ACCESSORY (A): This position lets you use things like the radio and the windshield wipers when the engine is off. Push in the key and turn it toward you. Your steering wheel will remain locked - 1999 GMC Envoy | Owner's Manual - Page 75
position for long periods of time. Prolonged operation of accessories in the ACCESSORY position could drain your battery and prevent you from starting your vehicle. LOCK (B): This position locks your ignition, steering wheel and transmission. It's a theft-deterrent feature. You will only be able - 1999 GMC Envoy | Owner's Manual - Page 76
engine won't start in any other position -- that's a safety feature. To restart when you're already moving, use NEUTRAL (N) only. NOTICE: Holding your key in START for longer than 15 seconds at a time will cause your battery to be drained much sooner. And the excessive heat can damage your starter - 1999 GMC Envoy | Owner's Manual - Page 77
. If you add electrical parts or accessories, you could change the way the engine operates. Before adding electrical equipment, check with your dealer. If you don't, your engine might not perform properly. If you ever have to have your vehicle towed, see the part of this manual that tells how to do - 1999 GMC Envoy | Owner's Manual - Page 78
the cord as it was before to keep it away from moving engine parts. If you don't, it could be damaged. How long should you keep the coolant heater plugged in? The answer depends on the outside temperature, the kind of oil you have, and some other things. Instead of trying to list everything - 1999 GMC Envoy | Owner's Manual - Page 79
yellowblue Ensure the shift lever is fully in PARK (P) before starting the engine. Your vehicle has a Brake-Transmission Shift Interlock (BTSI). You have to fully apply your regular brakes before you can shift from PARK (P) when the ignition key is in RUN. If you cannot shift out of PARK (P), ease - 1999 GMC Envoy | Owner's Manual - Page 80
offers more power and lower fuel economy than DRIVE (D). You should use THIRD (3) when towing a trailer, carrying a heavy transmission. Also, if you stop when going uphill, don't hold your vehicle there with only the accelerator pedal. This could overheat and damage the transmission. Use your brakes - 1999 GMC Envoy | Owner's Manual - Page 81
/Haul Selector Switch Your vehicle is equipped with a tow/haul selector switch. This switch is located on the shift knob. Four-Wheel Drive Because your vehicle has four-wheel drive, you can send your engine's driving power to all four wheels for extra traction. To get the most satisfaction out of - 1999 GMC Envoy | Owner's Manual - Page 82
the instrument panel. Use these switches to shift into and out of four-wheel drive. You can choose among four driving settings: 2HI: This setting is for driving in most street and highway situations. Your front axle is not engaged in two-wheel drive. This setting also provides the best fuel economy - 1999 GMC Envoy | Owner's Manual - Page 83
when the shift is complete. If for some reason the transfer case cannot make a requested shift, it will return to the last chosen setting. If the SERVICE 4WD light stays on, you should take your vehicle to your dealer for service. See "Service 4WD" in the Index for further information. 2-23 - 1999 GMC Envoy | Owner's Manual - Page 84
is moving less than 3 mph (4.8 km/h) with the transmission in NEUTRAL (N). Shifting to NEUTRAL To shift 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. Connect the vehicle to the towing vehicle. 2-24 - 1999 GMC Envoy | Owner's Manual - Page 85
Release the parking brake prior to towing. Shifting Out of NEUTRAL To shift out of NEUTRAL: 1. Set the parking brake and apply the regular brake pedal. 2. Start the vehicle with the transmission in PARK (P). 3. Press the button for the desired transfer case shift position (2HI, 4HI, AUTO 4WD or 4LO - 1999 GMC Envoy | Owner's Manual - Page 86
, see "Towing a Trailer" in the Index. 1. Hold the brake pedal down with your right foot and set the parking brake. Pull the BRAKE RELEASE lever fully. It is located on the bottom of the driver's side of the instrument panel. NOTICE: Driving with the parking brake on can cause your rear brakes to - 1999 GMC Envoy | Owner's Manual - Page 87
in PARK (P) with the parking brake firmly set. And, if you leave the vehicle with the engine running, it could overheat and even catch fire. You or others could be injured. Don't leave your vehicle with the engine running unless you have to. D Hold in the button on the front of the lever. D Push - 1999 GMC Envoy | Owner's Manual - Page 88
must fully apply your regular brakes. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. If you're pulling a trailer, see "Towing a Trailer" in the Index. Your vehicle has a Brake-Transmission Shift Interlock (BTSI). You have - 1999 GMC Envoy | Owner's Manual - Page 89
the brake until the end of Step 4. 3. Shift the transmission to NEUTRAL (N). 4. Start the vehicle and then shift to the drive gear you want. 5. Have the vehicle fixed as soon as you can. Parking Over Things That Burn CAUTION: Things that can burn could touch hot exhaust parts - 1999 GMC Envoy | Owner's Manual - Page 90
and D Have your vehicle fixed immediately. Running Your Engine While You're Parked It's better not to park with the engine running. But if ever you have to, here are dangerous exhaust into your vehicle (see the earlier Caution under "Engine Exhaust"). Also, idling in a closed-in place can let - 1999 GMC Envoy | Owner's Manual - Page 91
ground, always set your parking brake and move the shift lever to PARK (P). Follow the proper steps to be sure your vehicle won't move. See "Shifting Into PARK (P)" in the Index. If you're pulling a trailer, see "Towing a Trailer" in the Index. Locking Rear Axle Your locking rear axle can give you - 1999 GMC Envoy | Owner's Manual - Page 92
down for more than half a second to activate the express-down feature. Lightly tap the switch to open the window slightly. The express-down feature prevent passengers from operating power windows. It is located on the driver's door. Press LOCK to activate this feature. Press NORM to have the windows - 1999 GMC Envoy | Owner's Manual - Page 93
in place. Do not adjust the steering wheel while driving. The lever on the left side of the steering column includes your: D D D D D D Turn and Lane Change Signals Headlamp High/Low Beam Changer Flash-to-Pass Windshield Wipers Windshield Washer Cruise Control 2-33 - 1999 GMC Envoy | Owner's Manual - Page 94
signal lever to the off position. Headlamp High/Low Beam Changer To change the headlamps from low beam to high or high to low, pull the multifunction lever all the way toward you. Then release it. When the high beams are on, this indicator light on the instrument panel will also be on. To signal - 1999 GMC Envoy | Owner's Manual - Page 95
position or on low beam, your high-beam headlamps will turn on. They'll stay on as long as you hold the lever toward you and the high-beam indicator on the dash long or short delay between wipes. This can be very useful in light rain or snow. Turn the band to choose the delay time. The closer to - 1999 GMC Envoy | Owner's Manual - Page 96
, push the paddle. The wipers will clear the window and then either stop or return to your preset speed. Rear Window Washer/Wiper This switch is located on the instrument panel. CAUTION: In freezing weather, don't use your washer until the windshield is warmed. Otherwise the washer fluid can form - 1999 GMC Envoy | Owner's Manual - Page 97
control can be dangerous on slippery roads. On such roads, fast changes in tire traction can cause needless wheel spinning, and you could lose control. Don't use cruise control on slippery roads. D If you apply your brakes - 1999 GMC Envoy | Owner's Manual - Page 98
there. 4. Take your foot off the accelerator pedal. Resuming a Set Speed Suppose you set your cruise control at a desired speed and then you apply the brake. This, of course, disengages the cruise control. But you don't need to reset it. If you hold the switch at R/A longer than half a second, the - 1999 GMC Envoy | Owner's Manual - Page 99
brake or shift to a lower gear to keep your speed down. Of course, applying the brake takes you out of cruise control. Many drivers find this to be too much trouble this, you'll go 1 mph (1.6 km/h) slower. D Step lightly on the brake pedal. D Move the cruise control switch to OFF. Erasing Speed - 1999 GMC Envoy | Owner's Manual - Page 100
parking lamp and headlamp switch is on the driver's side of your instrument panel. Turn the knob clockwise to the parking lamps symbol to manually turn on: Your vehicle is equipped with a light sensor on the top of the instrument panel under the radio speaker grille. Be sure it is not covered or the - 1999 GMC Envoy | Owner's Manual - Page 101
other lamps won't be on. The instrument panel won't be lit up either. When it begins to get dark, the high-beam headlamps will automatically switch from DRL to the regular low-beam headlamps. To idle your vehicle with the DRL off, put your vehicle's transmission in PARK (P). The DRL will stay off - 1999 GMC Envoy | Owner's Manual - Page 102
foggy or misty conditions. Your low-beam headlamps or your parking lamps must be on for your fog lamps to work. The fog lamp switch is on the instrument panel under the lamps switch. Press the switch to turn the fog lamps on. Press the switch again to turn them off. A light will glow in the switch - 1999 GMC Envoy | Owner's Manual - Page 103
the parking/headlamp knob, to set the dome lamps to come on automatically when the doors are opened, battery run-down protection shuts off the interior lamps, it may be necessary to do one of the following to return to normal operation: Dome Lamps The dome lamps will come on when you open the doors - 1999 GMC Envoy | Owner's Manual - Page 104
Electrochromic Day/Night Inside Rearview Mirror This mirror automatically changes to reduce glare from headlamps behind you. A photocell on the back of the mirror senses when it is becoming dark outside. Another photocell built into the mirror surface senses when headlamps are behind you. At night - 1999 GMC Envoy | Owner's Manual - Page 105
over your shoulder before changing lanes. Power Remote Control Mirror The control is located on the driver's door armrest. Heated Outside Rearview Mirror When you operate the rear window defogger, a defogger also warms the heated driver's and passenger's outside rearview mirrors to help clear them - 1999 GMC Envoy | Owner's Manual - Page 106
the driver's side door panel near the window. To have the mirrors return to their normal position, press the side of the switch with the graphic on it. The switch will stay in whichever position it is placed. If at any time your mirrors become disengaged, fold the mirrors out manually and then use - 1999 GMC Envoy | Owner's Manual - Page 107
yellowblue Reading Lamps Press the button near each lamp to turn the reading lamps on and off. Driver Information System The lamps can also be swiveled to point in the desired direction. This system displays the outside air temperature, compass direction and trip information in the overhead - 1999 GMC Envoy | Owner's Manual - Page 108
taken. The compass is self-calibrating, so it does not need to be manually set. However, if C (Calibration) is displayed, the compass will need enough to cause false compass readings. If this happens, follow these instructions to set the variance for your particular location: 1. Find your location - 1999 GMC Envoy | Owner's Manual - Page 109
: D RANGE: The display indicates the estimated distance that can be travelled with the remaining fuel in the tank, based on the fuel economy for the last few hours of driving. is displayed. is displayed. D FUEL USED: The fuel used since the last reset D AVG SPEED: The average speed since the last - 1999 GMC Envoy | Owner's Manual - Page 110
Your vehicle has a console between the two front bucket seats. The console has a sunglasses storage compartment. To open the console, pull up on the console cover. The console has two cupholders and a storage tray, including a change holder, for the front seat passenger and driver to use. 2-50 - 1999 GMC Envoy | Owner's Manual - Page 111
be in the upper passenger side corner, visible from the rear of vehicle). Attach the lower hooks to the rear cargo tie downs on the floor. D D D D Rear Seat Audio Controls Rear Seat Accessory Power Outlets Six-disc CD Changer Cellular Phone (if equipped) For more information on these components - 1999 GMC Envoy | Owner's Manual - Page 112
of your vehicle. Grasp the handle and unroll the cover. Latch the posts into the sockets on the inside trim panel on the passenger's side of the vehicle to secure it. Cargo Tie Downs There are four cargo tie downs in the rear that allow you to strap cargo in and keep it - 1999 GMC Envoy | Owner's Manual - Page 113
accessory racks that are compatible with your luggage carrier for transporting sports equipment. These are available through your GM dealer. You can adjust the crossrails to handle loads of various sizes the luggage carrier -- like paneling, plywood, a mattress, and the load to the bumpers. Do not tie - 1999 GMC Envoy | Owner's Manual - Page 114
the cover to expose the ashtray. NOTICE: Don't put papers and other things that burn into your ashtray. If you do, cigarettes or other smoking materials could set them on fire, causing damage. To remove the front ashtray, pull the bin upward. The lighter is located in the instrument panel below - 1999 GMC Envoy | Owner's Manual - Page 115
lift the mirror cover to turn on the lamps. Accessory Inflator Your vehicle is equipped with an air inflator system. With it, you can inflate things like air mattresses and basketballs, and you can also use it to bring your tires up to the proper pressure. The air inflator is located in the rear - 1999 GMC Envoy | Owner's Manual - Page 116
in the Index or see your dealer for service. Your air inflator will automatically shut off cover, line up the tabs at the back of the cover and put it in place. CAUTION: Inflating something too much can make it explode, and you or others could be injured. Be sure to read the inflator instructions - 1999 GMC Envoy | Owner's Manual - Page 117
accessory power outlets located throughout the vehicle. Two are near the lower center part of the instrument panel, one is located in the lower rear of the center console and the other is located in the rear of the vehicle in the air inflator compartment. Follow the proper installation instructions - 1999 GMC Envoy | Owner's Manual - Page 118
equipped with a power sliding sunroof. To open or close your sunroof, the ignition or RAP needs to be on. See "Retained Accessory Power" in the Index. Press and release the rear side of the button in the mini console to open the sunroof. You can press the forward side of the button - 1999 GMC Envoy | Owner's Manual - Page 119
. Continue to press both buttons through Step 4. Full-Size Console This device complies with Part 15 of the FCC Rules. Operation is subject to the undesired operation of the device. Changes and modifications to this system by other than an authorized service facility could void authorization to use - 1999 GMC Envoy | Owner's Manual - Page 120
code" system. A rolling code system changes the code of the garage door opener every time you open or close the garage door. To determine if you have this system, press the button on the universal transmitter that you have programmed already. If the indicator light flashes rapidly for one to two - 1999 GMC Envoy | Owner's Manual - Page 121
to your garage door opener owner's manual. 2. Press the training button on the garage door opener motor head unit. An indicator light will begin transmitter to open the garage door. If after following these instructions, you still have problems training the garage door opener, call the manufacturer - 1999 GMC Envoy | Owner's Manual - Page 122
yellowblue Instrument Panel 2-62 - 1999 GMC Envoy | Owner's Manual - Page 123
C. Automatic Transfer Case D. Glove Box E. Audio System F. Rear Window Defogger G. CD Changer H. Ashtray I. Comfort Controls J. Accessory Power Outlets and Lighter K. Rear Liftglass Release L. Rear Window Washer/Wiper M. Audio Steering Wheel Controls N. Brake Release O. Hood Release P. Fog Lamps - 1999 GMC Envoy | Owner's Manual - Page 124
yellowblue Instrument Panel Cluster Your instrument 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 things you'll need to know to drive safely and economically. U.S. cluster shown; - 1999 GMC Envoy | Owner's Manual - Page 125
's set at zero, and a label must be put on the driver's door to show the old mileage reading when the new odometer was installed. Trip Odometer foot off the accelerator pedal. The solid red danger range tells you that your engine speed is at its upper limits. You should immediately shift to a higher - 1999 GMC Envoy | Owner's Manual - Page 126
when one of the gages shows there may be a problem, check the section that tells you what to do about it. Please follow this manual's advice. Waiting to do repairs can be costly -- and even dangerous. So please get to know your warning lights and gages. They're a big help. Safety Belt Reminder - 1999 GMC Envoy | Owner's Manual - Page 127
could indicate that you have problems with a generator drive belt, or another electrical problem. Have it checked right away. Driving while this light is on could drain your battery. If you must drive a short distance with the light on, be certain to turn off all your accessories, such as the radio - 1999 GMC Envoy | Owner's Manual - Page 128
must drive, turn off all unnecessary accessories. Readings in either warning zone indicate a possible problem in the electrical system. Have the vehicle serviced as soon as possible. Brake System Warning Light When the ignition is on, the brake system warning light will come on when you set your - 1999 GMC Envoy | Owner's Manual - Page 129
. It may take longer to stop. If the light is still on, have the vehicle towed for service. (See "Towing Your Vehicle" in the Index.) 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 - 1999 GMC Envoy | Owner's Manual - Page 130
life of the vehicle, helping to produce a cleaner environment. The SERVICE ENGINE SOON light comes on to indicate that there is a problem and service is required. Malfunctions often will be indicated by the system before any problem is apparent. This may prevent more serious damage to your vehicle - 1999 GMC Envoy | Owner's Manual - Page 131
may not work as well, your fuel economy may not be as good and your engine may not run as smoothly. This could lead to costly repairs that may not be covered by your warranty. D Light Flashing -- A misfire condition has been detected. A misfire increases vehicle emissions and may damage the - 1999 GMC Envoy | Owner's Manual - Page 132
the vehicle into gear, misfiring, hesitation on acceleration or stumbling on acceleration. (These conditions may go away once the engine is warmed up.) This will be detected by the system and cause the light to turn on. If you experience one or more of these conditions, change the fuel brand you use - 1999 GMC Envoy | Owner's Manual - Page 133
readings above the low pressure zone indicate the normal operating range. A reading in the low pressure zone may be caused by a dangerously low oil level or other problems causing low oil pressure. NOTICE: Damage to your engine from neglected oil problems can be costly and is not covered by your - 1999 GMC Envoy | Owner's Manual - Page 134
Automatic Four-Wheel-Drive Transfer Case. It has a computer which controls the four-wheel-drive system. This light should come on briefly when you turn on the ignition, as a check to show you it is working. The SERVICE 4WD light comes on to indicate that there may be a problem with the Automatic - 1999 GMC Envoy | Owner's Manual - Page 135
will come on briefly when you are starting the engine. Fuel Gage When the ignition is on, the fuel gage tells you about how much fuel you have remaining. If the light comes on and stays on while you are driving, check your coolant temperature and engine oil pressure gages to see if they are in the - 1999 GMC Envoy | Owner's Manual - Page 136
are four things that some owners ask about. None of these show a problem with your fuel gage: Low Fuel Light This light comes on briefly when you start your engine. D At the gas station, the gas pump shuts off before the gage reads F (Full). D It takes a little more or less fuel to fill up than - 1999 GMC Envoy | Owner's Manual - Page 137
Heating Defogging and Defrosting Rear Window Defogger Ventilation System Audio Systems Setting the Clock AM-FM Stereo with Cassette Tape Player AM-FM Stereo with Compact Disc Player (If Equipped) 3-16 3-18 3-21 3-23 3-24 3-24 3-25 3-27 3-27 3-27 Rear Seat Audio (RSA) Console-Mounted CD Changer - 1999 GMC Envoy | Owner's Manual - Page 138
will not cause the system to heat or cool any faster. Electronic Climate Control System Fan Control The knob on the left side of the climate control panel controls the fan speed. To manually increase airflow, turn the knob clockwise. To manually decrease airflow, turn it counterclockwise. OFF - 1999 GMC Envoy | Owner's Manual - Page 139
coolant temperature or the time since the engine was last started. As the coolant warms up, the blower fan speed will gradually increase and air will flow from the heater outlets, with some airflow to the windshield to prevent fogging under most normal conditions. If your vehicle is sitting out - 1999 GMC Envoy | Owner's Manual - Page 140
heater floor outlets as well as the instrument panel outlets. HEATER: This setting directs most of the warmed air through the heater heater outlets. The air conditioning compressor may run to dehumidify the air to prevent window fogging will change the operation to a manual mode the A/C light is on. - 1999 GMC Envoy | Owner's Manual - Page 141
air to the instrument panel outlets. When the air conditioner is on, you may sometimes notice slight changes in your vehicle's engine speed and power. This is normal because the system is designed to cycle the compressor on and off to keep the desired temperature. Heating The heater works best if - 1999 GMC Envoy | Owner's Manual - Page 142
Defogger The lines you see on the rear window warm the glass. Pressing the REAR button on your climate control system will also activate your heated outside mirrors. This will help to keep ice, snow and condensation from collecting on your mirror surfaces. The rear window defogger will stay on for - 1999 GMC Envoy | Owner's Manual - Page 143
heating or cooling is needed, use PANEL with the OUTSIDE AIR button enabled to direct outside air through your vehicle. Airflow is through the instrument panel fogging the inside of your windows. objects. This helps air to circulate throughout your vehicle. D Keep the air path under the front seats - 1999 GMC Envoy | Owner's Manual - Page 144
off, press RECALL or HR/MN and the time will be displayed for a few seconds. There is an initial two-second delay before the clock goes into the time-set mode. Included with the AM-FM Stereo with Cassette Tape Player are six BoseR high performance speakers and a six channel Bose amplifier. Please - 1999 GMC Envoy | Owner's Manual - Page 145
this button. When the radio is playing, press this button to recall the station frequency. SCV: Your system has a feature called Speed- , FM1 and FM2. The display will show your selection. TUNE: Press this knob lightly so it extends. Turn it to choose radio stations. Push the knob back into - 1999 GMC Envoy | Owner's Manual - Page 146
lightly on this knob to release it from its stored position. Turn the control clockwise to adjust the sound to the front speakers and counterclockwise for the rear . To load a cassette tape with the ignition off, press EJECT or RECALL. Then, insert the cassette tape. If the ignition is on but the - 1999 GMC Envoy | Owner's Manual - Page 147
to return to the radio when a tape is playing. Press TAPE AUX to switch between the tape player and console-mounted CD changer if both are loaded. When a tape is playing, a lighted arrow will appear on the display and show the direction of play. (If the radio is turned off, the tape stays - 1999 GMC Envoy | Owner's Manual - Page 148
playing. This override routine will remain active until EJECT is pressed. Included with the AM-FM Stereo with Compact Disc Player are six Bose high performance speakers and a six channel Bose amplifier. Please see your dealer for details. AM-FM Stereo with Compact Disc Player (If Equipped) 3-12 - 1999 GMC Envoy | Owner's Manual - Page 149
button to turn the rear seat audio display on the primary radio on. Press it again to turn the rear seat audio display off. RECALL: Display the time with and FM2. The display will show your selection. TUNE: Press this knob lightly so it extends. Turn it to choose radio stations. Push the knob back - 1999 GMC Envoy | Owner's Manual - Page 150
position balances the sound between the speakers. FADE: Press lightly on this knob to release it from its stored position. Turn the control clockwise to adjust the sound to the front speakers and counterclockwise for the rear speakers. The middle position balances the sound between the speakers - 1999 GMC Envoy | Owner's Manual - Page 151
CD has been playing that track. Elapsed time is displayed in minutes and seconds. The track number will also appear when a new track begins to play. Press RECALL about an hour and try again.) D The disc player is very hot. Press RECALL to make ERR go off the display. PREV (1): Press PREV or the SEEK - 1999 GMC Envoy | Owner's Manual - Page 152
CD AUX to switch between the compact disc player and console-mounted CD changer if both are loaded. When a disc is playing, the letters CD and the CD CDs. However, the rear seat passengers can only control the music sources that the front seat passengers are not listening to. For example, rear seat - 1999 GMC Envoy | Owner's Manual - Page 153
have control of the volume for each set of headphones. Be aware that the front seat audio controls always override the Rear Seat Audio (RSA) controls. Note that if the front seat passengers switch the source for the primary radio to a remote source, the RSA will play the same remote source - 1999 GMC Envoy | Owner's Manual - Page 154
front radio is in use. P.SET PROG: The front passengers must be listening to something different for each of these functions to work: Console-Mounted CD Changer magazine, push the door of the compact disc (CD) changer. The door will open. Push the magazine into the changer in the direction of the arrow - 1999 GMC Envoy | Owner's Manual - Page 155
be displayed. The disc numbers are listed on the front of the magazine. If your vehicle is equipped with the AM-FM Stereo with Cassette Tape Player, all of the CD changer functions are controlled by the radio buttons, except for ejecting the CD magazine. PREV (1): Press this button or the SEEK left - 1999 GMC Envoy | Owner's Manual - Page 156
radio when a compact disc is playing. Press TAPE AUX to switch between the tape and console-mounted CD changer if both are loaded. If your vehicle is equipped with the AM-FM Stereo with Compact Disc Player, all of the CD changer functions are controlled by the radio buttons, except for ejecting the - 1999 GMC Envoy | Owner's Manual - Page 157
, wait about an hour and try again.) D The disc player is very hot. D The CD changer door is open. Completely close the changer door to restore normal operation. D An empty magazine is inserted in the CD changer. Press RECALL to make ERR go off the display. If any error occurs repeatedly or if an - 1999 GMC Envoy | Owner's Manual - Page 158
yellowblue 1. Write down any three or four-digit number from 000 to 1999 and keep it in a safe place separate from the vehicle. 2. Turn the ignition to ACCESSORY or RUN. 3. Turn the radio off. 4. Press the 1 and 4 buttons together. Hold them down until --- shows on the display. Next you will use the - 1999 GMC Envoy | Owner's Manual - Page 159
ignition to ACCESSORY or RUN. battery power is removed and later applied to a secured radio, the radio won't turn on and LOC will appear on the display. If a cassette tape is playing, press this button to play the other side of the tape. If a compact disc is playing in the console-mounted CD changer - 1999 GMC Envoy | Owner's Manual - Page 160
can pick up noise from things like storms and power lines. Try reducing the treble to reduce this noise if you ever get it. FM Stereo FM stereo will give you the best sound, but FM signals will reach only about 10 to 40 miles (16 to 65 km). Tall buildings or - 1999 GMC Envoy | Owner's Manual - Page 161
cases away from contaminants, direct sunlight and extreme heat. hubs of the cleaner cassette turn. The recommended cleaning cassette is available through your dealership (GM Part the operation of your vehicle's engine, Delco Electronics radio or other covering mobile radio and telephone units. 3-25 - 1999 GMC Envoy | Owner's Manual - Page 162
tape. To prevent the cleaning cassette from being ejected, use the following steps. 1. Turn the ignition to RUN or ACCESSORY. 2. Turn the radio off. 3. Press and hold the TAPE AUX button for five seconds. The tape symbol tape is in good condition before you have your tape player serviced. 3-26 - 1999 GMC Envoy | Owner's Manual - Page 163
Discs Handle discs carefully. Store them in their original cases or other protective cases and away from direct sunlight and dust. If the use of CD lens cleaner discs is not advised, due to the risk of contaminating the lens of the CD optics with lubricants internal to the CD mechanism. Fixed - 1999 GMC Envoy | Owner's Manual - Page 164
yellowblue NOTES 3-28 - 1999 GMC Envoy | Owner's Manual - Page 165
4-9 4-11 4-12 4-13 4-14 4-15 Defensive Driving Drunken Driving Control of a Vehicle Braking Steering Off-Road Recovery Passing Loss of Control Driving Guidelines Off-Road Driving with Your Four-Wheel- Roads Winter Driving Recreational Vehicle Towing Loading Your Vehicle Towing a Trailer 4- 4-1 - 1999 GMC Envoy | Owner's Manual - Page 166
mistakes. Anticipate what they might do. Be ready for their mistakes. Rear-end collisions are about the most preventable of accidents. Yet they are and rural driving. You never know when the vehicle in front of you is going to brake or turn suddenly. Defensive driving requires that a driver - 1999 GMC Envoy | Owner's Manual - Page 167
The obvious way to solve the leading highway safety problem is for people never to drink alcohol and then drive The amount of alcohol consumed D The drinker's body weight D The amount of food that is vehicle-related deaths involve alcohol. In most cases, these deaths are the result of someone - 1999 GMC Envoy | Owner's Manual - Page 168
this means that a woman generally will reach a higher BAC level than a man of her same body weight when each has the same number of drinks. The law in many U.S. states sets the level. There is a gender difference, too. Women generally have a lower relative percentage of body water than men. 4-4 - 1999 GMC Envoy | Owner's Manual - Page 169
yellowblue The body takes about an hour to rid itself of the alcohol in one drink. No amount of coffee or number of cold showers will speed that - 1999 GMC Envoy | Owner's Manual - Page 170
with another. Age, physical condition, alertness, coordination and eyesight all play a part. So do alcohol, drugs and frustration. But even in 3/4 of a second (wet, dry, icy); tire tread; the condition of your brakes; the weight of the vehicle and the amount of brake force applied. Sometimes, as - 1999 GMC Envoy | Owner's Manual - Page 171
skid. When you start your engine and begin to drive away, your anti-lock brake system will check itself. You may hear a momentary motor or clicking noise while this test is going on. This is normal. If there's a problem with the anti-lock brake system, this warning light will stay on. See "Anti - 1999 GMC Envoy | Owner's Manual - Page 172
is programmed to make the most of available tire and road conditions. Here's how anti-lock works. Let's say the road is wet. You're driving safely. Suddenly an animal jumps out in front of you. You slam on the brakes. Here's what happens with ABS. A computer senses that wheels are slowing down. If - 1999 GMC Envoy | Owner's Manual - Page 173
lock brakes. Using Anti-Lock Don't pump the brakes. Just hold the brake pedal down firmly and let anti-lock work for you. You may feel the brakes vibrate, The traction of the tires against the road surface makes it possible for the vehicle to change its path when you turn the front wheels. If there's - 1999 GMC Envoy | Owner's Manual - Page 174
-- steering and acceleration -- have to do their work where the tires meet the road. Adding the sudden acceleration can demand too much of child darts out from between parked cars and stops right in front of you. You can avoid these problems by braking -- if you can stop in time. But sometimes you - 1999 GMC Envoy | Owner's Manual - Page 175
, steer so that your vehicle straddles the edge of the pavement. You can turn the steering wheel up to one-quarter turn until the right front tire contacts the pavement edge. Then turn your steering wheel to go straight down the roadway. 4-11 - 1999 GMC Envoy | Owner's Manual - Page 176
yellowblue Passing The driver of a vehicle about to pass another on a two-lane highway waits for just the right moment, accelerates, moves around the vehicle ahead, then goes back into the right lane again. A simple maneuver? Not necessarily! Passing another vehicle on a two-lane highway is a - 1999 GMC Envoy | Owner's Manual - Page 177
outside mirror is convex. The vehicle you just passed may seem to be farther away from you than it really is.) Loss of Control Let's review what driving experts say about what happens when the three control systems (brakes, steering and acceleration) don't have enough friction where the tires meet - 1999 GMC Envoy | Owner's Manual - Page 178
(including engine braking by shifting to a lower gear). Any sudden changes could cause the tires to slide. You may not realize the surface is slippery until your vehicle is skidding. Learn to recognize warning clues -- such as enough water, ice or packed snow on the road to make a "mirrored surface - 1999 GMC Envoy | Owner's Manual - Page 179
Brakes you read this guide. You'll find service work done. Check to make sure all underbody shields (if so equipped) are properly attached. Be sure you read all the information about your four-wheel-drive vehicle in this manual. Is there enough fuel? Is the spare tire forward of your rear axle. Put - 1999 GMC Envoy | Owner's Manual - Page 180
roof. Keep cargo in the cargo area as far forward and low as possible. Environmental Concerns Off-road driving can provide wholesome and the heat of the vehicle's exhaust system. You'll find other important information in this manual. See "Vehicle Loading," "Luggage Carrier" and "Tires" in - 1999 GMC Envoy | Owner's Manual - Page 181
the winch instructions. In a distance for braking, especially tire or engine sounds. With your arms, hands, feet and body , you'll need to respond to vibrations and vehicle bounce. CAUTION: When you're driving off-road, bouncing and quick changes - 1999 GMC Envoy | Owner's Manual - Page 182
to avoid sudden acceleration, sudden turns or sudden braking. In a way, off-road driving requires no road signs, posted speed limits or signal lights. You have to use your own good judgment Is the path ahead clear? D Will the surface texture change abruptly up ahead? D Does the travel take you uphill - 1999 GMC Envoy | Owner's Manual - Page 183
places? D Is there good traction on the hillside, or will the surface cause tire slipping? D Is there a straight path up or down the hill so you won for example, there may be a smooth, constant incline with only a small change in elevation where you D Is the hill simply too rough? Steep hills - 1999 GMC Envoy | Owner's Manual - Page 184
traffic know you're there. you more visible to oncoming traffic. D Use a low gear and get a firm grip on the steering wheel. D Sound the horn as you approach the top of the hill to D Use your headlamps even during the day. They make D Get a smooth start up the hill and - 1999 GMC Envoy | Owner's Manual - Page 185
it rolled downhill. Do not shift the transfer case to NEUTRAL when you leave the vehicle. Leave it in some gear. restart it. With the brake pedal pressed and the parking brake still applied, shift the transmission to PARK (P) and restart the engine. Then, shift to REVERSE (R), release the parking - 1999 GMC Envoy | Owner's Manual - Page 186
else could be injured. If you are going to leave your vehicle, set the parking brake and shift the transmission to PARK (P). But do not shift the transfer case to the NEUTRAL position. Leave the transfer case in a drive gear. creek bank or even a river bottom with large rocks? If you decide - 1999 GMC Envoy | Owner's Manual - Page 187
transmission in NEUTRAL (N). This is called "free-wheeling." Your brakes brake. the engine. too steep to drive across. When you go straight up or down a hill, the length of the wheel base (the distance from the front wheels to the rear even wet grass can cause your tires to slip sideways, downhill. - 1999 GMC Envoy | Owner's Manual - Page 188
. If your vehicle stalls when you're 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'll be right in - 1999 GMC Envoy | Owner's Manual - Page 189
on sand, you'll sense a change in wheel traction. But it will depend upon how loosely packed the sand is. On loosely packed sand (as on beaches or sand dunes) your tires will tend to sink into the sand. This has an effect on steering, accelerating and braking. You may want to reduce - 1999 GMC Envoy | Owner's Manual - Page 190
hazard. After operation in mud or sand, have the brake linings cleaned and checked. These substances can cause glazing and uneven braking. Check the body structure, steering, suspension, wheels, tires and exhaust system for damage. Also, check the fuel lines and cooling system for any leakage. 4-26 - 1999 GMC Envoy | Owner's Manual - Page 191
require more frequent service due to off- headlamps can light up only so much road ahead. D Slow down, especially on higher speed roads. Your D In remote areas, watch for animals. D If you're tired at night. They may cut down on glare from headlamps, but they also make a lot of things invisible. - 1999 GMC Envoy | Owner's Manual - Page 192
night blindness -- the inability to see in dim light -- and aren't even aware of it. Driving in Rain and on Wet Roads Rain and wet roads can mean driving trouble. On a wet road, you can't stop, accelerate or turn as well because your tire-to-road traction isn't as good as on dry - 1999 GMC Envoy | Owner's Manual - Page 193
large water puddles or even going through some car washes can cause problems, too. The water may affect your brakes. Try to avoid puddles. But if you can't, try to slow down before you hit them. CAUTION: Wet brakes can cause accidents. They won't work as well in a quick stop - 1999 GMC Envoy | Owner's Manual - Page 194
intake and badly damage your engine. Never drive through water that is slightly lower than the underbody of your vehicle. If you can't avoid deep puddles or standing water, drive through them very slowly. Some Other Rainy Weather Tips D Turn on your low-beam headlamps -- not just your parking lamps - 1999 GMC Envoy | Owner's Manual - Page 195
rim and crisscross most large cities. You'll save time and energy. (See the next part, "Freeway Driving.") D Treat a green light as a warning signal. A traffic light cleared the intersection or may be running the red light. One of the biggest problems with city streets is the amount of traffic on - 1999 GMC Envoy | Owner's Manual - Page 196
close to the prevailing speed. Switch on your turn signal, check your mirrors and glance over your shoulder as often as necessary. Try to blend Stay in the right lane unless you want to pass. Before changing lanes, check your mirrors. Then use your turn signal. Just before you leave the lane - 1999 GMC Envoy | Owner's Manual - Page 197
work -- don't plan to make too many miles that first part of the journey. Wear comfortable clothing and shoes you can easily drive Fuel, Engine Oil, Other Fluids: Have you checked all levels? D Lamps: Are they all working? Are the lenses clean? D Tires: They are vitally important to a safe, trouble - 1999 GMC Envoy | Owner's Manual - Page 198
along with the hum of the tires on the road, the drone of the engine, and the rush of the wind interior. D Keep your eyes moving. Scan the road ahead and to the sides. Check your mirrors get sleepy, pull off the road into a rest, service or parking area and take a nap, get some exercise, or - 1999 GMC Envoy | Owner's Manual - Page 199
yellowblue D Keep your vehicle in good shape. Check all fluid levels and also the brakes, tires, cooling system and transmission. These parts can work hard on mountain roads. thing to know is this: let your engine do some of the slowing down. Shift to a lower gear when you go down a steep or long - 1999 GMC Envoy | Owner's Manual - Page 200
conditions, include a small bag of sand, a piece of old carpet or a couple of burlap bags to help provide traction. Be sure you properly secure these items in your vehicle. Driving on Snow or Ice Most of the time, those places where your tires meet the road probably have good traction. However, if - 1999 GMC Envoy | Owner's Manual - Page 201
and polish the surface under the tires even more. Your anti-lock brakes improve your vehicle's stability when you drive on. But wet ice can be even more trouble because it may offer the least traction of all get there. until you hit a spot that's covered with ice. On an otherwise clear road, ice - 1999 GMC Envoy | Owner's Manual - Page 202
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 on your hazard flashers. 4-38 You can run the engine to keep warm, but be careful. - 1999 GMC Envoy | Owner's Manual - Page 203
slightly. This uses less fuel for the heat that you get and it keeps the battery charged. You will need a well-charged battery to restart the vehicle, and possibly for signaling later on with your headlamps. Let the heater run for a while. Recreational Vehicle Towing There may be times when - 1999 GMC Envoy | Owner's Manual - Page 204
to roll even if the transmission is in PARK (P), for an automatic transmission. You or others could be injured. Make sure the parking brake is firmly set before you shift the transfer case into NEUTRAL. Four-Wheel-Drive Vehicles Use the following procedure to correctly tow your vehicle on all four - 1999 GMC Envoy | Owner's Manual - Page 205
, above the door latch. The label shows the size of your original tires and the inflation pressures needed to obtain the gross weight capacity of your vehicle. This is called the Gross Vehicle Weight Rating (GVWR). The GVWR includes the weight of the vehicle, all occupants, fuel, cargo and trailer - 1999 GMC Envoy | Owner's Manual - Page 206
yellowblue CAUTION: Do not load your vehicle any heavier than the GVWR, or either the maximum front or rear GAWR. If you do, parts on your vehicle can break, and it can change the way your vehicle handles. These could cause you to lose control and crash. Also, overloading can shorten the life of - 1999 GMC Envoy | Owner's Manual - Page 207
yellowblue Payload The payload capacity is shown on the Certification/Tire label. This is the maximum load capacity that your vehicle can carry. Be sure to include the weight of the occupants as part of your load. If you added any accessories or equipment after your vehicle left the factory, - 1999 GMC Envoy | Owner's Manual - Page 208
the brakes may not work well -- or even at all. You and your passengers could be seriously injured. Pull a trailer only if you have followed all the steps in this section. Ask your dealer for advice and information about towing a trailer with your vehicle. NOTICE: Your warranty doesn't cover parts - 1999 GMC Envoy | Owner's Manual - Page 209
at full throttle. This helps your engine and other parts of your vehicle wear in at the heavier loads. lower gear) when towing a trailer. Operating your vehicle in THIRD (3) when towing a trailer will minimize heat buildup and extend the life of your transmission. D Then, during the first 500 miles - 1999 GMC Envoy | Owner's Manual - Page 210
/Haul Mode when not pulling a heavy trailer will not cause damage to the vehicle, but you may experience reduced fuel economy and undesirable performance from the engine and transmission. The Tow/Haul Mode should be used only when pulling a heavy trailer. D Provide the same shift feel when pulling - 1999 GMC Envoy | Owner's Manual - Page 211
are in the tow vehicle and it has all the required passengers and cargo in the tow vehicle must be subtracted from Owner Assistance Information Booklet. In Canada, write to: General Motors of Canada Limited Customer riding in the vehicle. And if you will tow a trailer, you must add the tongue load - 1999 GMC Envoy | Owner's Manual - Page 212
Tires Be sure your vehicle's tires are inflated to the upper limit for cold tires. You'll find these numbers on the Certification/Tire label on the driver's door edge, above the door latch, or see "Tire sway control of the proper size. This equipment is very important holes in the body of your vehicle - 1999 GMC Envoy | Owner's Manual - Page 213
not attach them to the bumper. Always leave just enough slack instructions for the trailer brakes so you'll be able to install, adjust and maintain them properly. If everything checks out this far, then make the brake fluid tap at the port on the master cylinder that sends fluid to the rear brakes - 1999 GMC Envoy | Owner's Manual - Page 214
safety when towing a trailer: D Have your exhaust system inspected for leaks, and make necessary repairs before starting on your trip. D Keep the rear-most windows closed. D If exhaust does come into your vehicle through a window in the rear or another opening, drive with your front, main heating or - 1999 GMC Envoy | Owner's Manual - Page 215
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 on the trailer the right. Always back up slowly and, if possible, have someone guide you. Making Turns NOTICE: Making very sharp turns while trailering could cause - 1999 GMC Envoy | Owner's Manual - Page 216
towing a trailer. Operating your vehicle in THIRD (3) when towing a trailer will minimize heat buildup and extend the life of your transmission. When towing at high altitude on steep uphill grades, consider the following: Engine to do it: 1. Apply your regular brakes, but don't shift into PARK (P) - 1999 GMC Envoy | Owner's Manual - Page 217
(P). So, be sure the transfer case is in a drive gear -- not in NEUTRAL. See "Four-Wheel Drive (Automatic Transfer Case)" in the Index. When You Are Ready to Leave After Parking on a Hill 1. Apply your regular brakes and hold the pedal down while you: D Start your engine; D Shift into a gear; and - 1999 GMC Envoy | Owner's Manual - Page 218
trailer operation are automatic transmission fluid (don't overfill), engine oil, axle lubricant, belt, cooling system and brake system. Each of these is covered in this manual, and the Index will help you find them quickly. If you're trailering, it's a good idea to review these sections before you - 1999 GMC Envoy | Owner's Manual - Page 219
you'll find what to do about some problems that can occur on the road. 5-2 5-2 5-3 5-7 5-8 Hazard Warning Flashers Other Warning Devices Jump Starting Towing Your Vehicle Engine Overheating 5-18 5-18 5-19 5-30 Engine Fan Noise If a Tire Goes Flat Changing a Flat Tire If You're Stuck: In Sand, Mud - 1999 GMC Envoy | Owner's Manual - Page 220
the button until the first click and release. 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. When the hazard warning flashers are on, your turn signals won't work. Other Warning Devices - 1999 GMC Envoy | Owner's Manual - Page 221
vehicle that wouldn't be covered by your warranty. The ACDelco FreedomR battery in your vehicle has a built-in hydrometer. Do not charge, test or jump start the battery if the hydrometer looks clear or light yellow. Replace the battery when there is a clear or light yellow hydrometer and a cranking - 1999 GMC Envoy | Owner's Manual - Page 222
the vehicles rolling, set the parking brake firmly on each vehicle. Put an automatic transmission in PARK (P) or a manual transmission in NEUTRAL (N) before setting the parking brake. 3. Turn off the ignition on both vehicles. Unplug unnecessary accessories plugged into the cigarette lighter or the - 1999 GMC Envoy | Owner's Manual - Page 223
(+) will go to positive (+) and negative (-) will go to a heavy, unpainted metal engine part. Don't connect positive (+) to negative (-) or you'll get a short that would damage the battery and maybe other parts too. 6. Connect the red positive (+) cable to the positive (+) terminal of the vehicle - 1999 GMC Envoy | Owner's Manual - Page 224
start the vehicle with the dead battery. If it won't start after a few tries, make sure all connections are good. If it still won't start, it probably needs service. A. Heavy Metal Engine Part B. Good Battery C. Dead Battery CAUTION: Fans or other moving engine parts can injure you badly. Keep your - 1999 GMC Envoy | Owner's Manual - Page 225
lift or car carrier equipment. When towing with wheel lift equipment, the transfer case must be in NEUTRAL and the following tow limits must be used: D Towing from the front -- 55 mph (88 km/h) or legal speed limit and distance is unlimited 50 miles (80 km) D Towing from the rear -- 35 mph (55 km - 1999 GMC Envoy | Owner's Manual - Page 226
panel. See "Gages" in the Index. CAUTION: Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine engine if it overheats, and get out of the vehicle until the engine is cool. If Steam Is Coming From Your Engine NOTICE: If your engine catches - 1999 GMC Envoy | Owner's Manual - Page 227
warning, turn off the engine and get everyone out of the vehicle until it cools down. You may decide not to lift the hood but to get service help right away. D D D D Climb a long hill on a hot day. Stop after high-speed driving. Idle for long periods in traffic. Tow a trailer. See "Driving on - 1999 GMC Envoy | Owner's Manual - Page 228
do anything else until it cools down. A. Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Fan The coolant level should be at least up to the ADD mark. If it isn't, you may have a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. 5-10 - 1999 GMC Envoy | Owner's Manual - Page 229
, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner -- at 30,000 miles (50 000 km) or 24 months, whichever occurs first. Damage caused by the use of coolant other than DEX-COOLR is not covered by your new vehicle warranty. If there seems to - 1999 GMC Envoy | Owner's Manual - Page 230
problem yet, but the coolant level isn't at the ADD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOLR engine coolant at the coolant recovery tank. (See "Engine weather, water can freeze and crack the engine, radiator, heater core and other parts. Use the recommended coolant and the - 1999 GMC Envoy | Owner's Manual - Page 231
yellowblue 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. Don't spill coolant on a hot engine. When the coolant in the coolant recovery tank is at the ADD mark, start your vehicle. If the - 1999 GMC Envoy | Owner's Manual - Page 232
yellowblue CAUTION: Steam and scalding liquids from a hot cooling system can blow out and burn you badly. They are under pressure, and if you turn the radiator pressure cap -- even a little -- they can come out at high speed. Never turn the cap when the cooling system, including the radiator - 1999 GMC Envoy | Owner's Manual - Page 233
yellowblue How to Add Coolant to the Radiator 2. Then keep turning the pressure cap, but now push down as you turn it. Remove the pressure cap. 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 - 1999 GMC Envoy | Owner's Manual - Page 234
yellowblue 3. Fill the radiator with the proper DEX-COOLR coolant mixture, up to the base of the filler neck. (See "Engine Coolant" in the Index for more information about the proper coolant mixture.) 4. Then fill the coolant recovery tank to the ADD mark. 5. Put the cap - 1999 GMC Envoy | Owner's Manual - Page 235
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 - 1999 GMC Envoy | Owner's Manual - Page 236
, the fan spins faster to provide more air to cool the engine. In most everyday driving conditions, the clutch is not engaged. This improves fuel economy and reduces fan noise. Under heavy vehicle loading, trailer towing and/or high outside temperatures, the fan speed increases when the clutch - 1999 GMC Envoy | Owner's Manual - Page 237
the parking brake firmly. 2. Put the shift lever in PARK (P). 3. If you have a four-wheel-drive vehicle, be sure the transfer case is in a drive gear -- not in NEUTRAL. 4. Turn off the engine. 5. Put the wheel blocks at the front and rear of the tire farthest away from the one being changed. That - 1999 GMC Envoy | Owner's Manual - Page 238
you'll need is stored along the driver's side inner rear quarter panel. Your vehicle is also equipped with work gloves and a plastic ground mat to assist in the changing of a flat tire. To remove your jack cover, pull up on the latches on the cover. Remove the wheel blocks, jack and wheel wrench - 1999 GMC Envoy | Owner's Manual - Page 239
yellowblue Before you can lower the spare tire, you must remove the access hole cover on the passenger's side of the rear bumper. Insert your index finger into the indentation near the lamp and pull to remove the cover. To remove the spare, insert the chisel end of the wheel wrench, on an angle, - 1999 GMC Envoy | Owner's Manual - Page 240
the cable and pull it through the wheel opening. Pull the tire out from under the vehicle. NOTICE: To help avoid vehicle damage, do not drive the vehicle before the cable is properly stored. Put the spare tire near the flat tire. The tools you'll be using include the jack (A) and wheel - 1999 GMC Envoy | Owner's Manual - Page 241
yellowblue Removing the Flat Tire and Installing the Spare Tire Position the chisel end of your wheel wrench in the notch of the hub cap and pry off the hub cap. 1. Using the wheel wrench, loosen all the wheel nuts. Don't remove them yet. 2. Turn the jack handle clockwise to raise the jack lift - 1999 GMC Envoy | Owner's Manual - Page 242
. 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: A. Front Frame Hole B. Spring Hanger Hole Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall - 1999 GMC Envoy | Owner's Manual - Page 243
the wheel nuts and take off the flat tire. 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, remove any rust or dirt from the - 1999 GMC Envoy | Owner's Manual - Page 244
yellowblue CAUTION: Never use oil or grease on studs or nuts. If you do, the nuts might come loose. Your wheel Lower the jack completely. Tighten each nut by hand until the wheel is held against the hub. If a nut can't be turned by hand, use the wheel wrench and see your dealer as soon as possible. - 1999 GMC Envoy | Owner's Manual - Page 245
tighten the wheel nuts firmly in a crisscross sequence as shown. NOTICE: Improperly tightened wheel nuts can lead to brake pulsation and rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper sequence and to the proper torque specification. CAUTION: Incorrect - 1999 GMC Envoy | Owner's Manual - Page 246
the valve stem pointed down and to the rear. 2. Pull the retainer through the wheel. 3. Put the chisel end of the wheel wrench, on an angle, through the hole in the rear bumper and into the hoist shaft. Turn the wheel wrench clockwise until the tire is raised against the underside of the vehicle - 1999 GMC Envoy | Owner's Manual - Page 247
jack, wheel wrench and wheel blocks to the proper location in your vehicle's rear area. Secure the items and replace the jack cover. CAUTION: Make sure the tire and carrier are secure. Driving with the tire or carrier unlatched could injure pedestrians or damage the vehicle. A. Retainer B. Rubber - 1999 GMC Envoy | Owner's Manual - Page 248
Chains" in the Index. CAUTION: If you let your tires spin at high speed, they can explode, and you or others could be injured. And, the transmission or other parts of the vehicle can overheat. That could cause an engine compartment fire or other damage. When you're stuck, spin the wheels as little - 1999 GMC Envoy | Owner's Manual - Page 249
Rocking Your Vehicle To Get It Out First, turn your steering wheel left and right. That will clear the area around your front wheels. Shift the transfer case into 4HI. Then shift back and forth between REVERSE (R) and a forward gear, spinning the wheels as little as possible. Release the accelerator - 1999 GMC Envoy | Owner's Manual - Page 250
hooks could break off and you or others could be injured from the chain or cable snapping back. NOTICE: Never use the recovery hooks to tow the vehicle. Your vehicle could be damaged and it would not be - 1999 GMC Envoy | Owner's Manual - Page 251
Transmission Fluid Rear Axle Four-Wheel Drive Radiator Pressure Cap Thermostat Engine Coolant Power Steering Fluid Windshield Washer Fluid Brakes 66-31 6-31 6-35 6-37 6-45 6-46 6-48 6-50 6-53 6-54 6-54 6-54 6-60 6-60 6-61 6-61 Battery Bulb Replacement Windshield Wiper Blade Replacement Tires - 1999 GMC Envoy | Owner's Manual - Page 252
GM parts have one of these marks: Doing Your Own Service Work If you want to do some of your own service work, you'll want to use the proper service manual. It tells you much more about how to service your vehicle than this manual can. To order the proper service manual, see "Service and Owner - 1999 GMC Envoy | Owner's Manual - Page 253
knocking, your engine needs service. But don't worry if you hear a little pinging noise when you're accelerating or driving up a hill. That's normal, and you don't have to buy a higher octane fuel to get rid of pinging. It's the heavy, constant knock that means you have a problem. Adding Equipment - 1999 GMC Envoy | Owner's Manual - Page 254
lamp on your instrument panel may turn on. If this occurs, return to your authorized GMC dealer for service. To provide cleaner air, all gasolines in the United States are now required to contain additives that will help prevent deposits from forming in your engine and fuel system, allowing your - 1999 GMC Envoy | Owner's Manual - Page 255
fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel wouldn't be covered by your warranty. To check on fuel availability, ask an auto club, or contact a major oil Your Tank The fuel cap is behind a hinged door on the driver's side of your vehicle. 6-5 - 1999 GMC Envoy | Owner's Manual - Page 256
, hang the cap by the tether from the hook on the filler door. To remove the cap, turn it slowly to the left (counterclockwise). could be badly burned. Gasoline can spray out on you if you open the fuel filler cap too quickly. This spray can happen if your tank is nearly full, and is more - 1999 GMC Envoy | Owner's Manual - Page 257
nozzle. Contact should be maintained until the filling is complete. D Don't smoke while pumping gasoline. NOTICE: If you need a new cap, be sure to get the right malfunction indicator lamp to light and your fuel tank and emissions system may be damaged. See "Malfunction Indicator Lamp" in the - 1999 GMC Envoy | Owner's Manual - Page 258
parts and start a fire. These include liquids like gasoline, 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. Then go to the front of the vehicle and release - 1999 GMC Envoy | Owner's Manual - Page 259
When you lift the hood, you'll see these items: A. B. C. D. Battery Coolant Recovery Tank Engine Oil Dipstick Engine Oil Fill E. F. G. H. Transmission Dipstick Power Steering Reservoir Brake Master Cylinder Engine Air Cleaner/Filter I. Fuse Block J. Windshield Washer Fluid Reservoir 6-9 - 1999 GMC Envoy | Owner's Manual - Page 260
cloth, then push it back in all the way. Remove it again, keeping the tip down, and check the level. Engine Oil It's 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 - 1999 GMC Envoy | Owner's Manual - Page 261
(API). Do not use any oil which does not carry this Starburst symbol. If you change your own oil, be sure you use oil that has the Starburst symbol on the front of the oil container. If you have your oil changed for you, be sure the oil put into your engine is American Petroleum Institute certified - 1999 GMC Envoy | Owner's Manual - Page 262
such as SAE 20W-50. _ _ NOTICE: Use only engine oil with 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 GoodwrenchR oil meets all the requirements for your vehicle - 1999 GMC Envoy | Owner's Manual - Page 263
occurs first. Driving a vehicle with a fully warmed engine under highway conditions causes engine oil to break down slower. Remote Oil Filter The access door for the remote oil filter is in the steering linkage shield assembly located under the radiator support. Twist the screw to unlock or lock the - 1999 GMC Envoy | Owner's Manual - Page 264
that collects used oil. If you have a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center for help. Engine Air Cleaner/Filter 1. To remove the air cleaner filter, remove the wing nuts that hold the cover on. 2. Remove the cover and lift out - 1999 GMC Envoy | Owner's Manual - Page 265
't drive with it off, and be careful working on the engine with the air cleaner/filter off. 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 15,000 miles (25 - 1999 GMC Envoy | Owner's Manual - Page 266
be low during a cold check, you must perform a hot check before adding fluid. This will give you a more accurate reading of the fluid level. NOTICE: Too much or too little fluid can damage your transmission. Too much can mean that some of the fluid could come out and fall on hot engine parts or - 1999 GMC Envoy | Owner's Manual - Page 267
. Keep the engine running. in PARK (P). D With the parking brake applied, place the shift lever D With your foot on the brake pedal, move Then, without shutting off the engine, follow these steps: 1. The transmission dipstick is located at the rear of the engine compartment. 3. Check both sides - 1999 GMC Envoy | Owner's Manual - Page 268
to change it. See "Scheduled Maintenance Services" in the Index. How to Check Lubricant NOTICE: We recommend you use only fluid labeled DEXRONR-III, because fluid with that label is made especially for your automatic transmission. Damage caused by fluid other than DEXRONR-III is not covered by - 1999 GMC Envoy | Owner's Manual - Page 269
to determine what kind of lubricant to use. See "Recommended Fluids and Lubricants" in the Index. How to Check Lubricant Four-Wheel Drive Transfer Case When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See "Periodic Maintenance Inspections" in - 1999 GMC Envoy | Owner's Manual - Page 270
yellowblue Front Axle When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See "Scheduled Maintenance Services" in the Index. How to Check Lubricant If the level is below the bottom of the filler plug hole, you - 1999 GMC Envoy | Owner's Manual - Page 271
cooling system and how to add coolant when it is low. If you have a problem with engine overheating, see "Engine Overheating" in the Index. NOTICE: Your radiator cap is against rust and corrosion. Help keep the proper engine temperature. Let the warning lights and gages work as they should. 6-21 - 1999 GMC Envoy | Owner's Manual - Page 272
, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner -- at 30,000 miles (50 000 km) or 24 months, whichever occurs first. Damage caused by the use of coolant other than DEX-COOLR is not covered by your new vehicle warranty. CAUTION: Adding only - 1999 GMC Envoy | Owner's Manual - Page 273
NOTICE: If you use an improper coolant mixture, your engine could overheat and be badly damaged. The repair cost wouldn't be covered by your warranty. Too much water in the mixture can freeze and crack the engine, radiator, heater core and other parts. If you have to add coolant more than four - 1999 GMC Envoy | Owner's Manual - Page 274
parts are hot enough. Don't spill coolant on a hot engine. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. Have the - 1999 GMC Envoy | Owner's Manual - Page 275
How to Check Power Steering Fluid When the engine compartment is cool, wipe the cap and the proper fluid can cause leaks and damage hoses and seals. Windshield Washer Fluid What to Use When you need windshield washer fluid, be sure to read the manufacturer's instructions before use. If you - 1999 GMC Envoy | Owner's Manual - Page 276
allows for expansion if freezing occurs, which could damage the tank if it is completely full. Don't use engine coolant (antifreeze) in your windshield washer. It can damage your washer system and paint. Brakes Brake Fluid D D Your brake master cylinder reservoir is here. It is filled with DOT - 1999 GMC Envoy | Owner's Manual - Page 277
a leak. If you add fluid when your linings are worn, then you'll have too much fluid when you get new brake linings. You should add (or remove) brake fluid, as necessary, only when work is done on the brake hydraulic system. CAUTION: If you have too much brake fluid, it can spill on the engine - 1999 GMC Envoy | Owner's Manual - Page 278
keep dirt from entering the reservoir. CAUTION: Just look at the brake fluid reservoir. The fluid level should be above MIN. If it isn't, 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 - 1999 GMC Envoy | Owner's Manual - Page 279
yellowblue NOTICE: D Using the wrong fluid can badly damage brake system parts. For example, just a few drops of mineral-based oil, such as engine oil, in your brake system can damage brake system parts so badly that they'll have to be replaced. Don't let someone put in the wrong kind of fluid. If - 1999 GMC Envoy | Owner's Manual - Page 280
your vehicle, the balance between your front and rear brakes can change -- for the worse. The braking performance you've come to expect can change in many other ways if someone puts in the wrong replacement brake parts. Brake Pedal Travel See your dealer if the brake pedal does not return to normal - 1999 GMC Envoy | Owner's Manual - Page 281
, be sure that all the lamps are off and the engine isn't running. See "Replacement Bulbs" in the Index. For any bulb changing procedure not listed in this section, contact your GMC dealer's service department. Vehicle Storage If you're not going to drive your vehicle for 25 days or more, remove - 1999 GMC Envoy | Owner's Manual - Page 282
yellowblue High Intensity Discharge (HID) Lighting Headlamps Composite High-Beam Headlamp System 1. Open the hood. CAUTION: The low beam High Intensity Discharge lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously injured. - 1999 GMC Envoy | Owner's Manual - Page 283
yellowblue Front Turn Signal Lamp Assembly 1. Remove the headlamp assembly as shown under "Composite High-Beam Headlamp System" earlier in this section. 5. Turn the bulb assembly counterclockwise to remove it. 6. Put the new bulb assembly into the headlamp assembly and turn it clockwise until it - 1999 GMC Envoy | Owner's Manual - Page 284
yellowblue 5. Put the bulb socket into the lamp assembly and twist it clockwise until it is tight. 6. Put the headlamp assembly back into the vehicle. Install the two retaining clips. 3. Pull the assembly away from the vehicle. 4. Turn the socket counterclockwise to remove it. Push the tab in while - 1999 GMC Envoy | Owner's Manual - Page 285
Check" in Section 7 of this manual under Part B "Owner Checks and Services" for more information. See "Normal Maintenance Replacement Parts" in the Index for the proper type of replacement blade. NOTICE: Use care when removing or installing a blade assembly. Accidental bumping can cause the arm - 1999 GMC Envoy | Owner's Manual - Page 286
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. 5. Be sure that the notches are locked by the bottom claws. Make sure that all other claws are properly locked on both sides - 1999 GMC Envoy | Owner's Manual - Page 287
can cause accidents. If your tread is badly worn, or if your tires have been damaged, replace them. Backglass Wiper Blade Replacement See "Windshield Wiper Blade Replacement" in this section for instructions on how to change the backglass wiper blade. The backglass wiper blade will not lock in - 1999 GMC Envoy | Owner's Manual - Page 288
: Don't let anyone tell you that underinflation or overinflation is all right. It's not. If your tires don't have enough air (underinflation), you can get the following: D Too much flexing D Too much heat D Tire overloading D Bad wear D Bad handling D Bad fuel economy. NOTICE: (Continued) 6-38 - 1999 GMC Envoy | Owner's Manual - Page 289
the most important. See "Scheduled Maintenance Services" in the Index for scheduled rotation intervals. When rotating your tires, always use one of the correct rotation patterns shown here. After the tires have been rotated, adjust the front and rear inflation pressures as shown on the Certification - 1999 GMC Envoy | Owner's Manual - Page 290
yellowblue When It's Time for New Tires CAUTION: Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from places where the wheel attaches - 1999 GMC Envoy | Owner's Manual - Page 291
and other things during normal service on your vehicle. If your tires have an all-season tread design, the TPC number will be followed by an "MS" (for mud and snow). If you ever replace your tires with those not having a TPC Spec number, make sure they are the same size, load range, speed rating - 1999 GMC Envoy | Owner's Manual - Page 292
apply to deep tread, winter-type snow tires, space-saver or temporary use spare tires, tires with nominal rim diameters of 10 to 12 inches (25 to 30 cm), or to some limited-production tires. While the tires available on General Motors passenger cars and light trucks may vary with respect to these - 1999 GMC Envoy | Owner's Manual - Page 293
combination, can cause heat buildup and possible tire failure. Wheel Alignment and Tire Balance The wheels wheel bolts and wheel nuts should be replaced. If the wheel leaks air, replace it (except some aluminum wheels, which can sometimes capacity, diameter, width, offset and be mounted the same way as - 1999 GMC Envoy | Owner's Manual - Page 294
. NOTICE: The wrong wheel can also cause problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance and tire clearance to the body and chassis. See "Changing a Flat Tire" in the Index for more information. Used Replacement - 1999 GMC Envoy | Owner's Manual - Page 295
size combination and road conditions. Follow that manufacturer's instructions. To help avoid damage to your vehicle, drive slowly, readjust or remove the device if it's contacting your vehicle, and don't spin your wheels. If you do find traction devices that will fit, install them on the rear tires - 1999 GMC Envoy | Owner's Manual - Page 296
any of these unless this manual says you can. In many uses, these will damage your vehicle: D Use a clean cloth or sponge, and change to a clean area Carpet Your dealer has two cleaners, Multi-Purpose Interior Cleaner and Capture Non-Solvent Dry Spot and Soil Remover for cleaning fabric and carpet - 1999 GMC Envoy | Owner's Manual - Page 297
If a stain remains, follow instructions for Multi-Purpose Interior Cleaner. Fabric Protection Your vehicle has upholstery and carpet fabric that has been treated oil and water, which are the carriers of most stains. Even with this protection, you still need to clean your upholstery and carpet often - 1999 GMC Envoy | Owner's Manual - Page 298
leather dry naturally. Do not use heat to dry. Cleaning Wood Panels Use a clean cloth moistened in warm panel. Sprays containing silicones or waxes may cause annoying reflections in the windshield and even make it difficult to see through the windshield under certain conditions. Cleaning Interior - 1999 GMC Envoy | Owner's Manual - Page 299
will remove normal tobacco smoke and dust films on interior glass. (See "Appearance Care and Materials" in are used on the inside of the rear window, an electric defogger element may be Bon AmiR Powder (non-scratching glass cleaning powder), GM Part No. 1050011. The windshield is clean if beads do - 1999 GMC Envoy | Owner's Manual - Page 300
and durability. Cleaning Exterior Lamps/Lenses Use lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing Your Vehicle." Washing Your Vehicle The best way to preserve your vehicle's finish is to keep it clean by washing it - 1999 GMC Envoy | Owner's Manual - Page 301
, ice melting agents, road oil and tar, tree sap, bird or covered whenever possible. Don't take your vehicle through an automatic car wash that has silicon carbide tire cleaning on the body or wheels of the vehicle. Petroleum-based products may damage the paint finish and tires. Cleaning Aluminum - 1999 GMC Envoy | Owner's Manual - Page 302
service outlets. Larger areas of finish damage can be corrected in your dealer's body in the paint job causes this, GMC will repair, at no charge to the owner, the surfaces of new vehicles damaged corrosion (rust) can occur on the underbody parts such as fuel lines, frame, floor pan and exhaust - 1999 GMC Envoy | Owner's Manual - Page 303
wood, acrylics, Plexiglas , plastic, rubber and vinyl Cleans carpets, seats, interior trim, door panels and floor mats Spray on and rinse with water Attracts, absorbs and removes soils on fabric Shines vehicle without scratching Spray on tire shine Removes dust, fingerprints and surface contaminants - 1999 GMC Envoy | Owner's Manual - Page 304
for your vehicle. It appears on a plate in the front corner of the instrument panel, on the driver's side. You can see it if Engine Identification The 8th character in your VIN is the engine code. This code will help you identify your engine, specifications and replacement parts. Service Parts - 1999 GMC Envoy | Owner's Manual - Page 305
Circuit breakers protect the power windows and other power accessories. When the current load is too heavy, the circuit breaker opens and closes, protecting the circuit until the problem is fixed or goes away. Instrument Panel Fuse Block The instrument panel fuse block is at the driver's end of the - 1999 GMC Envoy | Owner's Manual - Page 306
and Switch, Body Control Module, Heated Seats Gages, Body Control Module, Instrument Panel Cluster Parking Lamps, Power Window Switch, Body Control Module, Ashtray Lamp Steering Wheel Audio Control Illumination Headlamp Switch, Body Control Module, Headlamp Relay Courtesy Lamps, Battery Run-Down - 1999 GMC Envoy | Owner's Manual - Page 307
17 18 19 20 21 22 23 24 Usage Power Locks Motor 4WD Switch, Engine Controls (VCM, PCM, Transmission) Air Bag Front Wiper Steering Wheel Audio Controls Radio, Battery Amplifier HVAC I (Automatic), HVAC Sensors (Automatic) Anti-Lock Brakes Rear Wiper Radio, Ignition The fuse block is under the hood at - 1999 GMC Envoy | Owner's Manual - Page 308
Turn Signal Rear Right Rear Parking Lamps Trailer Park Lamps Low-Beam Headlamp, Left Low-Beam Headlamp, Right Front Parking Lamps I/P Fuse Block Feed Engine Sensors/Solenoids, MAF, CAM, PURGE, VENT Engine Control Module, Fuel Pump, Module, Oil Pressure Anti-Lock Brake System Engine Control Module - 1999 GMC Envoy | Owner's Manual - Page 309
Usage Starter Solenoid, Fuel Pump, PRNDL Heated Seats HVAC System Trailer Center High-Mounted Stop Light High-Beam Headlamps Rear Defogger Truck Body Computer Clutch Switch, NSBU Switch Hazard Lamps Vehicle Center High-Mounted Stop Lamp Heated Mirror Automatic Transfer Case Stoplamps Rear Window - 1999 GMC Envoy | Owner's Manual - Page 310
(4.3 L) Automatic Transmission (Drain and Refill)* ...5.0 quarts (4.7 L) Differential Fluid Front ...2.6 pints (1.2 L) Rear ...4.0 pints (1.9 L) Fuel Tank ...18.0 gallons (68.0 L) A/C Refrigerant ...1.75 lbs. (0.79 kg) of R-134a *After refill, the level must be checked. Wheels and Tires Wheel Nut - 1999 GMC Envoy | Owner's Manual - Page 311
as the part used in your vehicle when it was built, or if you have any questions, please contact your GMC dealer. Thermostat ...12559051 Oil Filter ...PF52 Air Cleaner Filter ...A1163C PCV Valve ...CV769C Automatic Transmission Filter Kit ...24200796 Spark Plugs ...41-932 Fuel Filter ...GF481 Front - 1999 GMC Envoy | Owner's Manual - Page 312
yellowblue NOTES 6-62 - 1999 GMC Envoy | Owner's Manual - Page 313
7-27 Introduction Part A: Scheduled Maintenance Services Short Trip/City Scheduled Maintenance Long Trip/Highway Scheduled Maintenance 7-39 7-43 7-45 7-47 Part B: Owner Checks and Services Part C: Periodic Maintenance Inspections Part D: Recommended Fluids and Lubricants Part E: Maintenance Record - 1999 GMC Envoy | Owner's Manual - Page 314
even affect the quality of the air we breathe. Improper fluid levels or the wrong tire inflation can increase the level of emissions from your vehicle. To help protect our supplements your new vehicle warranties. See your Warranty and Owner Assistance booklet, or your dealer for details. 7-2 - 1999 GMC Envoy | Owner's Manual - Page 315
, so unless you are technically qualified and have the necessary equipment, you should let your dealer's service department or another qualified service center do these jobs. "Part B: Owner Checks and Services" tells you what should be checked and when. It also explains what you can easily do to - 1999 GMC Envoy | Owner's Manual - Page 316
needs, you'll know that GM-trained and supported service people will perform the work using genuine GM parts. The proper fluids and lubricants to use are listed in Part D. Make sure whoever services your vehicle uses these. All parts should be replaced and all necessary repairs done before you - 1999 GMC Envoy | Owner's Manual - Page 317
30,000 Miles (50 000 km): Air Cleaner Filter Replacement. Fuel Filter Replacement. Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions). Every 60,000 Miles (100 000 km): Engine Accessory Drive Belt Inspection. Fuel Tank, Cap and Lines Inspection. D Most trips are less - 1999 GMC Envoy | Owner's Manual - Page 318
7,500 Miles (12 500 km): Engine Oil and Filter Change (or every 12 months, whichever occurs first). Chassis Lubrication (or every 12 months, whichever occurs first). Drive Axle Service. Tire Rotation. Every 15,000 Miles (25 000 km): Automatic Transmission Service (severe conditions only). Every 30 - 1999 GMC Envoy | Owner's Manual - Page 319
See "Owner Checks and Services" and "Periodic Maintenance Inspections" following. # Lubricate the front suspension, ball joints, steering linkage, parking brake cable guides, propshaft splines, universal joints and brake pedal springs. + A good time to check your brakes is during tire rotation. See - 1999 GMC Envoy | Owner's Manual - Page 320
occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 3,000 Miles (5 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever - 1999 GMC Envoy | Owner's Manual - Page 321
joints and axle seals for leaking. (See footnote **.) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add - 1999 GMC Envoy | Owner's Manual - Page 322
000 km). j j 18,000 Miles (30 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as needed - 1999 GMC Envoy | Owner's Manual - Page 323
occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 21,000 Miles (35 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever - 1999 GMC Envoy | Owner's Manual - Page 324
) or higher. - In hilly or mountainous terrain. j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as - 1999 GMC Envoy | Owner's Manual - Page 325
3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 33,000 Miles (55 000 km) SERVICED BY: j Change engine oil and filter (or every 3 months, whichever occurs - 1999 GMC Envoy | Owner's Manual - Page 326
tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) j j j Change engine oil and - 1999 GMC Envoy | Owner's Manual - Page 327
necessary. An Emission Control Service. (See footnote[.) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add - 1999 GMC Envoy | Owner's Manual - Page 328
yellowblue Short Trip/City Scheduled Maintenance j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid - 1999 GMC Envoy | Owner's Manual - Page 329
joints and axle seals for leaking. (See footnote **.) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add - 1999 GMC Envoy | Owner's Manual - Page 330
frequent trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km). j Inspect engine accessory drive belt. An Emission Control Service. j Replace fuel filter. An - 1999 GMC Envoy | Owner's Manual - Page 331
damage or leaks. Inspect fuel cap gasket 63,000 Miles (105 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid - 1999 GMC Envoy | Owner's Manual - Page 332
rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) j j j Change engine oil and - 1999 GMC Envoy | Owner's Manual - Page 333
conditions. Replace filter if necessary. An Emission Control Service. (See footnote[.) j Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) j Change engine oil and filter (or every 3 months, whichever occurs first - 1999 GMC Envoy | Owner's Manual - Page 334
occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 81,000 Miles (135 000 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 3 months, whichever - 1999 GMC Envoy | Owner's Manual - Page 335
Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) j Change engine oil and - 1999 GMC Envoy | Owner's Manual - Page 336
[.) j Replace air cleaner filter. An Emission Control Service. j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) j 93,000 Miles (155 000 km) j Change engine oil and filter (or every 3 months, whichever occurs - 1999 GMC Envoy | Owner's Manual - Page 337
joints and axle seals for leaking. (See footnote **.) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add - 1999 GMC Envoy | Owner's Manual - Page 338
. j Replace spark plugs. An Emission Control Service. j If you haven't used your vehicle under severe service conditions listed j DATE ACTUAL MILEAGE SERVICED BY: previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. Inspect Positive - 1999 GMC Envoy | Owner's Manual - Page 339
See "Owner Checks and Services" and "Periodic Maintenance Inspections" following. # Lubricate the front suspension, ball joints, steering linkage, parking brake cable guides, propshaft splines, universal joints and brake pedal springs. + A good time to check your brakes is during tire rotation. See - 1999 GMC Envoy | Owner's Manual - Page 340
joints and axle seals for leaking. (See footnote **.) j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE ACTUAL MILEAGE SERVICED BY: 15,000 Miles (25 000 km) j Change engine oil and filter (or every 12 - 1999 GMC Envoy | Owner's Manual - Page 341
for leaking. (See footnote **.) j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 22,500 Miles (37 500 km) SERVICED BY: 30,000 Miles (50 000 km) An Emission Control Service. j Change engine oil and filter - 1999 GMC Envoy | Owner's Manual - Page 342
components (or every 12 months, whichever occurs first). (See footnote #.) Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) Change automatic transmission fluid and filter if the vehicle is mainly driven under one - 1999 GMC Envoy | Owner's Manual - Page 343
joints and axle seals for leaking. (See footnote **.) j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 37,500 Miles (62 500 km) DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 12 - 1999 GMC Envoy | Owner's Manual - Page 344
and filter. DATE ACTUAL MILEAGE SERVICED BY: j Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid - 1999 GMC Envoy | Owner's Manual - Page 345
engine accessory drive belt. An Emission Control Service. (Continued) j Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) j Check rear/front axle - 1999 GMC Envoy | Owner's Manual - Page 346
air cleaner filter. An Emission Control Service. j Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. (See footnote[.) j 67,500 Miles (112 500 km) j Change engine oil and filter (or every 12 months - 1999 GMC Envoy | Owner's Manual - Page 347
(See footnote #.) j Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) j Change automatic transmission fluid and filter if the vehicle is mainly driven 82,500 Miles (137 500 km) j Change engine oil and filter (or - 1999 GMC Envoy | Owner's Manual - Page 348
Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) j j j j Change engine oil - 1999 GMC Envoy | Owner's Manual - Page 349
footnote +.) j 97,500 Miles (162 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as - 1999 GMC Envoy | Owner's Manual - Page 350
. j Replace spark plugs. An Emission Control Service. j If you haven't used your vehicle under severe service conditions listed j DATE ACTUAL MILEAGE SERVICED BY: previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. Inspect Positive - 1999 GMC Envoy | Owner's Manual - Page 351
you or a service station attendant 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" in the Index for further details. At Least Once a Month Tire Inflation Check Make sure tires are inflated - 1999 GMC Envoy | Owner's Manual - Page 352
Lubricate the key lock cylinders with the lubricant specified in Part D. Body Lubrication Service Lubricate all hood hinges, hood latch assembly, secondary latch, pivots, spring anchor, release pawl, door hinges, fuel door hinge, endgate hinges, outer tailgate handle pivot points, tailgate hinges - 1999 GMC Envoy | Owner's Manual - Page 353
. 2. Firmly apply both the parking brake (see "Parking Brake" in the Index if necessary) and the regular brake. NOTE: Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. 3. Try to start the engine in each gear. The starter should work only in PARK (P) or - 1999 GMC Envoy | Owner's Manual - Page 354
be injured and property could be damaged. Make sure there is room in front of your vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. Underbody Flushing Service At least every spring, use plain water to flush any corrosive materials from - 1999 GMC Envoy | Owner's Manual - Page 355
may be found in a service manual. See "Service and Owner Publications" in the Index. Exhaust System Inspection Inspect the complete exhaust system. Inspect the body near the exhaust system. Look for broken, damaged, missing or out-of-position parts as well as open seams, holes, loose connections - 1999 GMC Envoy | Owner's Manual - Page 356
result in frequent braking. Drive Axle Service Check rear/front axle fluid level and add as needed. Check constant velocity joints and axle seals for leaking. Transfer Case (Four-Wheel Drive) Inspection Every 12 months or at oil change intervals, check front axle and transfer case and add - 1999 GMC Envoy | Owner's Manual - Page 357
use only GM GoodwrenchR DEX-COOLR or HavolineR DEX-COOLR Coolant. See "Engine Coolant" in the Index. Delco Supreme 11R Brake Fluid (GM Part No. 12377967 or equivalent DOT-3 Brake Fluid). USAGE Windshield Washer Solvent Parking Brake Cable Guides FLUID/LUBRICANT GM OptikleenR Washer Solvent (GM - 1999 GMC Envoy | Owner's Manual - Page 358
yellowblue USAGE Front Axle Rear Axle (Locking Differential) Automatic Transfer Case Rear Driveline Center Spline and Universal Joints Constant Velocity Universal Joint FLUID/LUBRICANT SAE 80W-90 Axle Lubricant (GM Part No. 1052271 or equivalent). SAE 80W-90 Axle Lubricant; use only GM Part No. - 1999 GMC Envoy | Owner's Manual - Page 359
yellowblue Part E: Maintenance Record After the scheduled services are performed, record the date, odometer reading and who performed the service in the boxes provided after the maintenance interval. Any additional information from "Owner Checks and Services" or "Periodic Maintenance" can be added - 1999 GMC Envoy | Owner's Manual - Page 360
yellowblue Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED 7-48 - 1999 GMC Envoy | Owner's Manual - Page 361
GMC if you need assistance. This section also tells you how to obtain service publications and how to report any safety defects. 8-2 8-4 8-4 8-5 8-6 8-7 8-8 Customer Satisfaction Procedure Customer Assistance for Text Telephone (TTY) Users Customer Service and Owner Publications in Canada 8- 8-1 - 1999 GMC Envoy | Owner's Manual - Page 362
: STEP ONE -- Discuss your concern with a member of dealership management. Normally, concerns can be quickly resolved at that level. If the matter has already been reviewed with the sales, service or parts manager, contact the owner of the dealership or the general manager. 8-2 - 1999 GMC Envoy | Owner's Manual - Page 363
toll-free number in order to give your inquiry prompt attention. Please have the following information available to give the Customer Assistance Representative: When contacting GMC, please remember that your concern will likely be resolved at a dealer's facility. That is why we suggest you follow - 1999 GMC Envoy | Owner's Manual - Page 364
reserves the right to change eligibility limitations and/or discontinue its participation in this program. Customer Assistance for Text Telephone (TTY) Users To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), GMC has TTY equipment available - 1999 GMC Envoy | Owner's Manual - Page 365
General Motors of Canada Limited Customer Communication Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 1-800-263-3777 (English) 1-800-263-7854 (French) 1-800-263-3830 (For Text Telephone devices (TTYs)) Roadside Assistance: 1-800-268-6800 If toll free service is not available in the - 1999 GMC Envoy | Owner's Manual - Page 366
working days for fulfillment. GMC's Roadside Assistance provides stranded owners with over-the-phone roadside repairs, location of the nearest GMC dealer or the following special services: Flat Tire Change: Installation of spare tire will be covered at no charge (customer is responsible for repair - 1999 GMC Envoy | Owner's Manual - Page 367
lease customers operating 1999 GMC light duty trucks for a period of 3 years/36,000 miles (60 000 km). All services must be pre-arranged by GMC Roadside Assistance. Over-the-phone assistance, such as providing the name of the closest dealer or minor technical advice, etc., is available to all owner - 1999 GMC Envoy | Owner's Manual - Page 368
customer support program for new vehicles. The Courtesy Transportation program is offered to retail purchase/lease customers in conjunction with the Bumper to Bumper Options Warranty service can generally be completed while you wait. However, if you are unable to wait GMC helps minimize your - 1999 GMC Envoy | Owner's Manual - Page 369
of $30.00 per day supported by receipts. This requires that you are responsible for fuel usage charges and shuttle service, may modify, change or Bumper-to-Bumper warranty coverage period, but it is not part of the New Vehicle Limited Warranty. A separate booklet entitled "Warranty and Owner - 1999 GMC Envoy | Owner's Manual - Page 370
open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer or General Motors. To contact NHTSA, you may either call the Auto Safety Hotline - 1999 GMC Envoy | Owner's Manual - Page 371
(French). Or, write: General Motors of Canada Limited Customer Communication Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 Ordering Service and Owner Publications in Canada Service manuals, owner's manuals and other service literature are available for purchase for all current and - 1999 GMC Envoy | Owner's Manual - Page 372
FOR 1999 GMC SERVICE MANUALS Service Manuals have the diagnosis and repair information on engines, transmission, axle, suspension, brakes, electrical, steering, body, etc. RETAIL SELL PRICE: $90.00 TRANSMISSION, TRANSAXLE, TRANSFER CASE UNIT REPAIR MANUAL This manual provides information - 1999 GMC Envoy | Owner's Manual - Page 373
MODEL NAME YEAR 1999 1999 1999 1999 QTY. PRICE EACH* $90.00 $50.00 $15.00 $10.00 TOTAL PRICE 1 9 9 9 G M S H I P T O PUBLICATION FORM NUMBER ITEM DESCRIPTION Service Manual Car & Light Truck Transmission Unit Repair Owner's Manual In Portfolio Owner's Manual Without Portfolio NOTE: Dealers - 1999 GMC Envoy | Owner's Manual - Page 374
yellowblue NOTES 8-14 - 1999 GMC Envoy | Owner's Manual - Page 375
...3-8, 3-12 Automatic Headlamp System ...2-40 Automatic Transmission Check ...7-40 Fluid ...6-15 Operation ...2-18 Park Mechanism Check ...7-42 Shifting ...2-19 Starting Your Engine ...2-16 Axle Front ...6-20 Locking Rear ...2-32 Rear ...6-18 Battery ...6-31 Charge Light ...2-67 Jump Starting - 1999 GMC Envoy | Owner's Manual - Page 376
Tire ...5-19 Charging System Light ...2-67 Check Gages Light ...2-75 Checking Your Restraint Systems ...1-52 Chemical Paint Spotting ...6-52 Child Restraints ...1-38 Center Seat Position ...1-46 Different Types ...1-38 Securing in a Rear Outside Seat Position ...1-44 Securing in the Right Front Seat - 1999 GMC Envoy | Owner's Manual - Page 377
Care ...3-27 Console Mounted CD Changer ...3-18 Content Theft-Deterrent ...2-11 Control of a Vehicle ...4-6 Convenience Net ...2-51 Convex Outside Mirror ...2-45 Coolant ...5-12, 6-21 Coolant Heater, Engine ...2-17 Courtesy Transportation ...8-8 Cruise Control ...2-37 Customer Assistance Information - 1999 GMC Envoy | Owner's Manual - Page 378
Flash-To-Pass Feature ...2-34 Flat Tire, Changing ...5-19 Fluids and Lubricants ...7-45 Fog Lamp Switch ...2-42 Foreign Countries, Fuel ...6-5 Four-Wheel Drive ...2-22, 6-20 Four-Wheel Drive (Automatic Transfer Case) ...2-22 French Language Manual ...ii Front Axle ...6-20 Fabric Cleaning Gages - 1999 GMC Envoy | Owner's Manual - Page 379
yellowblue Headlamps ...2-40 Bulb Replacement ...6-32 High/Low Beam Changer ...2-35 On Reminder ...2-41 Hearing Impaired, Customer Assistance ...8-4 Heated Front Seats ...1-4 Heated Outside Rearview Mirror ...2-45 Heating ...3-5 High Intensity Discharge Lighting ...6-32 Highway Hypnosis ...4-34 Hill - 1999 GMC Envoy | Owner's Manual - Page 380
Power Door ...2-5 Rear Door Security ...2-5 Loss of Control ...4-13 Low Fuel Light ...2-76 Lubricants and Fluids ...7-45 Lubrication Service, Body ...7-40 Luggage Carrier ...2-53 Lumbar Controls ...1-3 aintenance Record ...7-47 Maintenance Schedule ...7-1 Long Trip/Highway ...7-6, 7-27 Owner Checks - 1999 GMC Envoy | Owner's Manual - Page 381
...7-43 Power Accessory Outlets ...2-57 Door Locks ...2-5 Remote Control Mirror ...2-45 Seat ...1-2 Steering ...4-9 Steering Fluid ...6-24 Windows ...2-31 Power Folding Mirrors ...2-46 Pregnancy, Use of Safety Belts ...1-19 Problems on the Road ...5-1 Publications, Service and Owner ...8-12, 8-13 - 1999 GMC Envoy | Owner's Manual - Page 382
...1-2 Rear ...1-6 Reclining Front ...1-5 Seats and Restraint Systems ...1-1 Second Gear ...2-20 Security Warning Light ...2-74 Service 4WD Light ...2-74 Service and Appearance Care ...6-1 Service and Owner Publications ...8-12, 8-13 Service Engine Soon Light ...2-70 Service Parts Identification - 1999 GMC Envoy | Owner's Manual - Page 383
Customer Assistance ...8-4 Speedometer ...2-65 Stains, Cleaning ...6-47 Starter Switch Check ...7-41 Starting Your Engine ...2-16 Steam ...5-8 Steering In Emergencies ...4-10 Power ...4-9 Steering Wheel, Tilt ...2-33 Storage Compartments ...2-46 Storage, Vehicle ...6-31 Storing a Flat or Spare Tire - 1999 GMC Envoy | Owner's Manual - Page 384
Transfer Case ...6-19 Transfer Case, Automatic ...2-22 Transmission Fluid, Automatic ...6-15 Transmitters, Keyless Entry ...2-6 Transportation, Courtesy ...8-8 Trip, Before Leaving ...4-33 Trip Odometer ...2-65 TTY Users ...8-4 Turn Signal and Lane Change Signals ...2-34 Turn Signals When Towing