1998 GMC Envoy Owner's Manual
1998 GMC Envoy Manual
1998 GMC Envoy manual content summary:
- 1998 GMC Envoy | Owner's Manual - Page 1
. a - 1998 GMC Envoy | Owner's Manual - Page 2
and tips about. the road and how to drive under different conditions. Problems on the Road This section tells what to do if you have a problem while driving, such as a flat tire or overheated engine, etc. 6-1 Service and Appearance Care Here the manual tells you how to keep your vehicle running - 1998 GMC Envoy | Owner's Manual - Page 3
Institute for AUTOMOTIVE SERVICE EXCELLENCE For Canadian Owners Who Prefer a French Language Manual: Aux propri6taires canadiens: Vous pouvez vous en procurer un exemplaire de ce guide frangais chez votre concessionaire ou au: DGN Marketing Services Ltd. 1577 Meyerside Drive Mississauga, Ontario - 1998 GMC Envoy | Owner's Manual - Page 4
-Wheel-Drive Vehicle" in the Index.) Safety Warnings and Symbols You will find a number of safety cautions in this book. We use a box and the word CAUTION to tell you about things that could hurt you if you were to ignore the warning. How to Use this Manual Many people read their owner's manual - 1998 GMC Envoy | Owner's Manual - Page 5
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 what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors OIin different - 1998 GMC Envoy | Owner's Manual - Page 6
SIGNALS I-1 FUSE BATTERY CHARGING SYSTEM WINDSHIELD DEFROSTER LIGHTER P m l lE T $ A F SEAT BELTS BRAKE (a) (@) HORN b ,111, DAYTIME RUNNING LAMPS a .':**o w, COOLANT WINDOW DEFOGGER * SPEAKER b p3 V ENGINE OIL PRESSURE FUEL FOG LAMPS $0 VENTILATING FAN i F, ANTI-LOCK BRAKES - 1998 GMC Envoy | Owner's Manual - Page 7
Model Reference This manual covers this model: Four-Door Utility vi - 1998 GMC Envoy | Owner's Manual - Page 8
with air bags Rear Seat Passengers 1-3 1 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 RearPassenger Position Children Child Restraints Larger Children Safety Belt Extender Checking Your Restraint Systems Replacing Restraint System Parts - 1998 GMC Envoy | Owner's Manual - Page 9
Controls This section tells you about the seats -- how to adjust them, and fold them up and down. Power Driver's Seat Manual Passenger's Seat Move the lever under the front of the passenger's seat up to unlockit. Slide the seat to where you want it. Then release the leverand try to move - 1998 GMC Envoy | Owner's Manual - Page 10
part of the switch to turn the heater on high. Put the switch in the center position to turn the heater off. The seatbelt must be latched to activate this feature. Press and hold the front of the control until you have the desired lumbar support. To decrease lumbar support, press and hold the rear - 1998 GMC Envoy | Owner's Manual - Page 11
~ RecliningFrontSeatback To adjust the right front passenger's seatback, lift the lever on the outer side of the seat. Release the lever to lock the seatback where you want it. Pull up - 1998 GMC Envoy | Owner's Manual - Page 12
their jobwhen you're reclined like this. The shoulder belt can't do its because it job won't be against your body. Instead, itwill be in front of you. In a crashyou could go into it, receiving neckor otherinjuries. The lap belt can't do job either. In a crash the its belt could go - 1998 GMC Envoy | Owner's Manual - Page 13
Push 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 down - 1998 GMC Envoy | Owner's Manual - Page 14
Safety Belts: They're for Everyone This part of the manual tells you how to use safety belts properly. It also tells you some things you should not do with safety belts. And it explains the Supplemental Inflatable Restraint (SIR), or air bag system. A CAUTION: It is extremely dangerous to ridein a - 1998 GMC Envoy | Owner's Manual - Page 15
Reminder Light" in the Index.) Why Safety Belts Work When you ride in or on anything, you go as fast as it goes. In most states and Canadian provinces, the law says to wear safety belts. Here's why: They work. matter ...a lot! I Take the simplest vehicle. Suppose it's just a seat on wheels. 1-8 - 1998 GMC Envoy | Owner's Manual - Page 16
" ..._.U...~" -- Put someone on it. Get it up to speed. Then stop the vehicle. The rider doesn't stop. 1-9 - 1998 GMC Envoy | Owner's Manual - Page 17
The person keeps going until stopped by something. In a real vehicle, it could be the windshield or the instrument panel ... ... - 1998 GMC Envoy | Owner's Manual - Page 18
in many vehicles today and will be in most of them in 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 - 1998 GMC Envoy | Owner's Manual - Page 19
@ If I'm a good driver, and I never drive far from home, why should I wear safety belts? You may rules for smallerchildren and babies. If a child will be riding in your vehicle, see the part of this manual called "Children." Follow those rules for everyone's protection. First, you'll want to know - 1998 GMC Envoy | Owner's Manual - Page 20
Lap-Shoulder Belt The driver has a lap-shoulder belt. Here's how to wear it properly. 3. Pick up the latch plate and pull the belt across you. Don't let it get twisted. The shoulder belt may lock if you pull the belt across you very quickly. If this happens, let the belt go back slightly to unlock - 1998 GMC Envoy | Owner's Manual - Page 21
of the belt as you pull up on the shoulder belt. The lap part of the belt should be worn low and snug on the hips, injuries. The shoulder belt should go of over the shoulder and across the chest. These parts the body are best able to t,&e belt restraining forces. The safety belt locks if there - 1998 GMC Envoy | Owner's Manual - Page 22
What's wrong with this? I 1 You can be seriously hurtif your shoulder belt is too loose. In a crash, you wouldmove 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. - 1998 GMC Envoy | Owner's Manual - Page 23
@ What's wrong with this? You can be seriously injured if your belt is buckled in thewrong 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 internalinjuries. Always buckle your belt into thebuckle - 1998 GMC Envoy | Owner's Manual - Page 24
What's wrong with this? You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would movetoo far forward, which would increase the chance of head and neck injury. Also, the belt would apply too much force to the ribs, which aren't asstrong as shoulder bones - 1998 GMC Envoy | Owner's Manual - Page 25
belt. In a of a crash, you wouldn't have the full widththe If belt to spread impact forces. a belt is twisted, so make it straight it can work properly, or ask your dealer to fix it. A: The belt is twisted across the body. 1-18 - 1998 GMC Envoy | Owner's Manual - Page 26
Safety Belt Use During Pregnancy Safety belts work for everyone, including pregnant women. Like all occupants,they are more likely to be seriously injuredif they don't wear safety belts. To unlatch the belt, - 1998 GMC Envoy | Owner's Manual - Page 27
Position" earlier in this section. The right front passenger's safety belt works the same way as the driver's safety belt -- except for one thing. If you ever pull the shoulder portion of the belt out all the way, you will engage the child restraint locking feature. If this happens, just let the - 1998 GMC Envoy | Owner's Manual - Page 28
safety belts. All air bags even reduced-force air bags are designed to work with safety belts, don't but replace them. Air bags designed to work only are 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 low - 1998 GMC Envoy | Owner's Manual - Page 29
. To read how, see the part of this manualcalled "Children" and see the caution labels on the sunvisors and the right front passenger's safety belt. There is an air bagreadiness light on the instrument panel, which shows the air bag symbol. The system checks the air bag electrical system for - 1998 GMC Envoy | Owner's Manual - Page 30
How the Air Bag System Works bag The right front passenger's air is inthe instrument panel on the passenger's side. Where are the air bags? The driver's air is in the middle of the bag steering wheel. 1-23 - 1998 GMC Envoy | Owner's Manual - Page 31
down in frontal or near-frontal impacts. The airbag system is designed to work properly under a wide range of conditions, including off-road usage. Observe safedriving speeds, especially on rough terrain. As always, wear your safety belt. See "Off-Road Driving" in the Index for more tips on off-road - 1998 GMC Envoy | Owner's Manual - Page 32
a release of gas fromthe inflator, which inflates the air bag. The inflator, air bag and related hardware are all part of the air bag modules inside the steering wheel and in the instrument panel in front of the right front passenger. How does an air bag restrain? In moderate to severe frontal near - 1998 GMC Envoy | Owner's Manual - Page 33
technicians work on your air bag system. Improper service can mean that your air bag system won't work properly. See your dealer for service. I NOTICE: If you damage the covering the driver's or the for right front passenger's bag, the bag may not air work properly. You may haveto replace theair - 1998 GMC Envoy | Owner's Manual - Page 34
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 V 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? As long as - 1998 GMC Envoy | Owner's Manual - Page 35
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 I . Pick up the latch plate and pull the belt across you. Don't let it get twisted. The shoulder belt may lock - 1998 GMC Envoy | Owner's Manual - Page 36
on the buckle is positioned so you would be able to unbuckle the safety belt quickly you ever had to. if 3. To make the lap part tight, pull down the buckle on part. end of the belt as you pull up on the shoulder 1-29 - 1998 GMC Envoy | Owner's Manual - Page 37
is too loose. Ina crash, you would move forward too much, which could increase injury. The fit shoulder belt should 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 - 1998 GMC Envoy | Owner's Manual - Page 38
on the buckle. Rear Safety Belt Comfort Guides for Children and Small Adults Rear shoulder belt comfort guides will provide added safety 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 - 1998 GMC Envoy | Owner's Manual - Page 39
and past the The elastic belt. cord must be under the belt. Then, place the guide over the belt, and insert two edgesof the belt into the the slotsof the guide. 3. Be sure that the belt is not twisted and it lies flat. The elastic cord must be under the belt and - 1998 GMC Envoy | Owner's Manual - Page 40
the so belt edges together that you can take them out from the guides. Pull the guide upward to expose its 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 loopof elastic cord exposed. 1-33 - 1998 GMC Envoy | Owner's Manual - Page 41
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 the belt across you. pull Don't let it get - 1998 GMC Envoy | Owner's Manual - Page 42
- -d Ba '- A CAUTION: 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 Belt Extender" at and infants. Neither the vehicle's safety belt system nor its air bag system is designed for them. Young children and infants need - 1998 GMC Envoy | Owner's Manual - Page 43
instructions 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 crash, aninfant in a rear-facing restraint settles into the restraint, so the crash forces can be distributed across the strongest part - 1998 GMC Envoy | Owner's Manual - Page 44
r at only 25mph (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. Never hold a baby in your arms while riding in a vehicle. A baby doesn't weigh much until a crash. - 1998 GMC Envoy | Owner's Manual - Page 45
Child Restraints Every time infants and young children ride in vehicles, they should have protection provided by appropriate restraints. @ What are the different types ofadd-on child restraints? Add-on child restraints are available in four basic types. When selecting a child restraint, take into - 1998 GMC Envoy | Owner's Manual - Page 46
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 crash. Some infant seats come in two parts -- the base stays secured in the vehicle and the seat - 1998 GMC Envoy | Owner's Manual - Page 47
40 inches (66 to 102 cm) in height, or up to around four years of age. One type, a convertiblerestraint, is designed to beused either as a rear-facing infant seat or a forward-facing child seat. 1-40 - 1998 GMC Envoy | Owner's Manual - Page 48
A booster seat (F, G) is designed for children who are about40 to 60 lbs. (18 to 27 kg) and aboutfour to eight yearsof age. It's 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 - 1998 GMC Envoy | Owner's Manual - Page 49
with the infant or child restraint will show you how to do 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. Where to Put the Restraint Accident statistics show that children - 1998 GMC Envoy | Owner's Manual - Page 50
If your child restraint has a top strap, it should be anchored. Anchor bracketsfor 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 the vehicle as the - 1998 GMC Envoy | Owner's Manual - Page 51
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 safety belt through or around the restraint. The child restraint instructions will show you how. 3. Buckle the belt. Make - 1998 GMC Envoy | Owner's Manual - Page 52
4. Pull the rest the shoulder belt all the out of of way the retractor to 'set the lock. 5. To tighten the belt, feed the shoulder belt back into on the retractor while you push down the child restraint. If you're usinga forward-facing child restraint, you may find it helpful use your knee to to - 1998 GMC Envoy | Owner's Manual - Page 53
ready towork for an adult be or larger child passenger. Securing a Child Restraint in the Right Front Seat, Position Center Seat Position Your vehicle hasa right front passenger air Never bag. put a rear-facing child restraint this seat.Here's why: in Don't use child restraints in position. The - 1998 GMC Envoy | Owner's Manual - Page 54
air bag. Always secure a rear-facing child restraint in the rearseat. 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 instructions will show you how. If the shoulder belt goes in front the child's - 1998 GMC Envoy | Owner's Manual - Page 55
P e 4. Buckle the belt. Make sure the release button is positioned so you would be ableto unbuckle the safety belt quickly you ever had to. if 5. Pull the restof the shoulder belt all the way out of the retractor to set the lock. 1-48 - 1998 GMC Envoy | Owner's Manual - Page 56
a shoulder belt can provide. safety belt and let it go back all the way. The safety belt will move freely again and be ready to work for an adult or larger child passenger. 1-49 - 1998 GMC Envoy | Owner's Manual - Page 57
, so that in a crash the child's upper body would have the restraint that belts provide. the If child is sitting a rear seat outside position, see in If "Rear Safety Belt Comfort Guides'' in the Index. the childis so small that the shoulder is still belt very close to the child's face orneck, you - 1998 GMC Envoy | Owner's Manual - Page 58
A CAUTION: Never do this. Here achild issitting in a seat that has a lap-shoulder belt, but the shoulder part is behind the child. If the child wears thebelt in thisway, in a crash thechild might slide under the belt. The belt's force would then be - 1998 GMC Envoy | Owner's Manual - Page 59
Restraint Systems Now and then, make sure the safety belt reminder light and all your belts, buckles, latch plates, retractors and anchorages areworking properly. look for any opened or broken air bag covers, and have them repaired or replaced. (The air bag system does not need regular maintenance.) 1-52 - 1998 GMC Envoy | Owner's Manual - Page 60
driver's or the right front passenger's safety belt that says to replace the belt, be parts repaired or replaced. New parts and repairs may be necessary even if the belt wasn't being used at the time of the collision. If an air bag inflates, you'll need to replace airbag system parts. See the part - 1998 GMC Envoy | Owner's Manual - Page 61
4@D NOTES 1-54 - 1998 GMC Envoy | Owner's Manual - Page 62
Transmission Operation Parking Brake Shifting IntoPARK (P) Shifting Out of PARK(P) Parking Over Things That Burn Engine Exhaust Running Your Engine While You're Parked 2-26 2-26 2-28 2-29 2-30 2-30 2-36 2-39 2-40 2-42 2-49 2-50 2-52 2-52 2-53 2-58 2-60 2-62 Locking Rear Axle Four-wheel Drive - 1998 GMC Envoy | Owner's Manual - Page 63
Keys A CAUTION: Leaving young children in vehicle with the a ignition key is dangerous for many reasons. A child or others could be badly injured or even killed. They could operate power windows other or controls or even make the vehicle move. Don't leave the keys in vehicle with young children. a - 1998 GMC Envoy | Owner's Manual - Page 64
new features that a can help prevent theft. But you can have lot of trouble getting into your vehicle if you ever lock your keys inside.You may evenhave to damage your vehicle to get in. So be sure you have extra keys. When a new vehicle is delivered, the dealer provides the owner - 1998 GMC Envoy | Owner's Manual - Page 65
the vehicle in a crash if the doors aren'tlocked. Wear safety belts properly, lock your doors, and you will be far better off whenever you drive your vehicle. -- -- You can use your power door lock switch to unlock your doors from the inside. To lock your door from the inside, slide - 1998 GMC Envoy | Owner's Manual - Page 66
Power Door Locks Rear Door Security Lock With this feature,you can lock the rear doors so they can't be openedfrom the inside by passengers. Move the lock up to lock the . To unlock the doors, press theraised area next to the key symbol. The lever on eachrear door works only that door's lock. 2-5 - 1998 GMC Envoy | Owner's Manual - Page 67
not work or if you have to stand closer to your vehicle for the transmitter to work, Part 15 of the FCC Rules. Operation is subject to the following two conditions replacement or resynchronization is necessary. See the instructions trouble, see your dealer or a qualified technician for service. 2-6 - 1998 GMC Envoy | Owner's Manual - Page 68
you go to your dealer. When the dealer matches the replacement transmitter to your vehicle, any remaining transmitters must also be REAR: Press this button twice within three seconds to release the liftglass. The parking lamps will flash and the interior lights will come on. The transmission must - 1998 GMC Envoy | Owner's Manual - Page 69
works, it's probably time to change the battery. NOTICE: When replacing the battery, use care not touch to any of the circuitry. Staticfrom your body transferred 2. Remove and replace the battery with a three volt CR2032 or equivalent battery, positive (+) side up. 3. Align the covers and snap them - 1998 GMC Envoy | Owner's Manual - Page 70
locks do not cycle. see your dealer for service. LiftgateLiftglass It can be dangerous to drive with the liftgate or liftglass open because carbon air into your vehicle. See "Comfort Controls" in the Index. If you have air outlets onor under the instrument panel, open them the way. all See "Engine - 1998 GMC Envoy | Owner's Manual - Page 71
shift lever must be in PARK (P) or NEUTRAL (N) for the release to work. To open the entire liftgate, lift the handle located in the center of the some cities. Although your vehicle has a number of theft-deterrent features, we know that nothing we put on it can make it impossible to steal. However - 1998 GMC Envoy | Owner's Manual - Page 72
. Always do this. and Your steering wheel will be locked, andso will your ignition and transmission. And remember to lock the doors. Content SECURITY light goes off. If a door is opened without the keyor the remote keyless entry transmitter, the alarm will go off. Your vehicle's high-beam headlamps - 1998 GMC Envoy | Owner's Manual - Page 73
to see if the horn works. The horn fuse may be blown. To replace the f ~ ~ ssee "Fuses and Circuit Breakers" in the Index. e, If the alarm does not sound or the vehicle's high-beam headlamps do not flash, the vehicle should be serviced by an authorized service center. Passlock' Your vehicle is - 1998 GMC Envoy | Owner's Manual - Page 74
after three (3) tries, the vehicle needs service. NOTICE: ~~~ ~ ~ If you are driving and the SECURITY light comes on, you will be able to restart the engine if you turn the engine off. However, your Passlock system is not working properly and must be serviced by your dealer. Your vehicle is not - 1998 GMC Envoy | Owner's Manual - Page 75
for long periodsof 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 to removeyour - 1998 GMC Envoy | Owner's Manual - Page 76
break thekey or the ignition switch. If none of this works, then your vehicle needs service. Starting Your Engine Move your shift lever to PARK (P) or NEUTRAL (N). Your engine won't start in any other position -- that's a safety feature. To restart when you're already moving, use NEUTRAL (N) only - 1998 GMC Envoy | Owner's Manual - Page 77
to be drained much sooner. Andthe excessive heat can damage your starter motor. NOTICE: Your engine is designed work with the to electronics in your vehicle. If you add electrical parts oraccessories, you could change the way the engine operates. Before adding electrical equipment, check withyour - 1998 GMC Envoy | Owner's Manual - Page 78
engine parts. you don't, it could If be damaged. How long shouldyou keep the coolant heater plugged in? The answer depends on the outside temperature, the of kind of oil the cord into an ungrounded outlet could cause an electrical shock. Also,the wrong kind of extension cord could overheat andcause - 1998 GMC Envoy | Owner's Manual - Page 79
Automi ic Transmission Operation There are several different positions for your shift lever. PARK (P): This locks your rear wheels. It's the best position to use when you start your engine because your vehicle can't move easily. It is dangerous to get out of your vehicle if the shift lever is not - 1998 GMC Envoy | Owner's Manual - Page 80
any of these conditions. I NOTICE: Damage to your transmission caused by shifting out of PARK (P) or NEUTRAL (N) with the engine racing isn't covered by your warranty. THIRD (3): This position is also used for normal driving, howeverit offers more power and lower fuel economy than DRIVE (D). You - 1998 GMC Envoy | Owner's Manual - Page 81
pedal with your left foot. If the ignition is on, the brake system warning light will come on. To release the parking brake, hold the regular brake pedal down. NOTICE: If your rear wheels can't rotate, don't try to drive. This might happen you were stuckin if very deep sand or mud or were - 1998 GMC Envoy | Owner's Manual - Page 82
NOTICE: Driving with the parking brake can cause on your rear brakes to overheat. You may have to replace them,and you could also damage other parts of your vehicle. " in the Index. L I If you are towing a trailer andyou must park on hill, a see "Towing a Trailer" in the Index. That section shows - 1998 GMC Envoy | Owner's Manual - Page 83
even catch fire. You or others could be injured. Don't leave your vehicle with the engine running unless you have to. Hold in the button on the lever. Push the lever all the way toward the front of the vehicle. 3. Turn the ignition key to LOCK, 4. Remove the key and take it - 1998 GMC Envoy | Owner's Manual - Page 84
vehicle may put too much force on the parking pawl in the transmission. You may find it difficult to pull the shift lever outof PARK find out how, see "Shifting IntoPARK (P)" in the Index. When you are ready to drive, movethe shift lever out of PARK (P) before you release the parking brake. If torque - 1998 GMC Envoy | Owner's Manual - Page 85
touch hot exhaust parts under your vehicle and ignite. Don't park over papers, leaves, dry grass or other things that can burn. Engine exhaust can kill. collision. Your vehicle was damaged when driving over high points on the road or over road debris. 0 Repairs weren't done correctly. 0 Your vehicle - 1998 GMC Envoy | Owner's Manual - Page 86
engine your vehicle when the engine is running unless you have to. If you've left the engine running, thevehicle can move vehicle (seethe earlier Caution under "Engine Exhaust"). Also, idling in a closed NEVER park ina garage with the engine running. Another closed-in place can be a blizzard. - 1998 GMC Envoy | Owner's Manual - Page 87
vehicle has four-wheel drive,you can send your engine's driving power to all four wheels for extra traction. To shift out of two-wheel drive andinto four-wheel drive, push the 4HI or 4LO button on the transfer case switch. You should use 2HI for most normal driving conditions. Use these switches - 1998 GMC Envoy | Owner's Manual - Page 88
is in NEUTRAL (N). If your transfer case doesnot shift into 4L0, your transmission indicator switch may require adjustment. With your transmission in NEUTRAL (N), press and release the 4LO switch. While the 4LO indicator is light flashing, shift your transmission into PARK (P). Wait until the - 1998 GMC Envoy | Owner's Manual - Page 89
is in NEUTRAL (N). If your transfer case doesnot shift into 4H1, your transmission indicator switch may require adjustment. With your transmission in NEUTRAL (N), press and release the 4HI switch. While the 4HI indicator light is flashing, shiftyour transmission into PARK (P). Wait until the - 1998 GMC Envoy | Owner's Manual - Page 90
switch down for more than half a second to activate the express-down feature, Lightly tapthe switch to open the window slightly. The express-down feature can be interrupted at any time by pressing the up arrow end of Horn To sound the horn, press the horn symbols on the steering wheel pad. 2-29 - 1998 GMC Envoy | Owner's Manual - Page 91
then release the lever to lock the wheel in place. The lever on the left side of the steering column includes your: 0 Turn Signal and Lane Change Indicator Headlamp High/Low Beam Changer Windshield Wipers Do not adjust the steering wheel while driving. 0 Windshield Washer Cruise Control 0 2-30 - 1998 GMC Envoy | Owner's Manual - Page 92
a turn or a lane change. If a bulb is burned out, replace it to help avoid an accident. If the turn or lane change. Headlamp High/Low Beam Changer To change the headlamps from low beam to bulb is burned out. Check the front rear turn signal lamps and working. regularly to make sure they are 2-31 - 1998 GMC Envoy | Owner's Manual - Page 93
, hold the band on MIST longer. You can set the wiper speed for a 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 LO, the shorter the delay. In freezing weather, don't use your - 1998 GMC Envoy | Owner's Manual - Page 94
/h) or more without keeping your foot on the accelerator. This can really help on long trips. Cruise control does not work at speeds below about 25 mph (40 kmh). To turn the rear wiper on, slide the switch to either LO or HI. To turn the wiper off, slide the switch to - 1998 GMC Envoy | Owner's Manual - Page 95
on winding roads or in heavy traffic. Cruise control canbe 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 controlon slippery roads. 3. Press in the SET button at the end of the lever and - 1998 GMC Envoy | Owner's Manual - Page 96
Resuming a Set Speed Suppose you set your cruise control desired speed a at and then you apply the brake. This, of course, disengages the cruise control. But you don't need to reset it. Once you're going about 25 mph (40 km/h) or more, you can move the cruise control switch from to ON R/A for about - 1998 GMC Envoy | Owner's Manual - Page 97
set earlier. you Using Cruise Controlon Hills How well your cruise controlwill work on hills depends upon your speed, load and the steepness the cruise control: Step lightly on the brake pedal. Move the cruise control switch toOFF. Exterior Lamps Your parking lamp and headlamp switch is on the - 1998 GMC Envoy | Owner's Manual - Page 98
chime will sound when headlamps or your your ignition parking lampsare manually turned on and a Your vehicle is equipped with light sensor on the top of the instrument panel under the radio speaker grille, is in OFF, LOCK or ACCESSORY. Todisable the so way be sure it is not covered, which will cause - 1998 GMC Envoy | Owner's Manual - Page 99
vision in foggy or misty conditions. Your low-beam headlamps or your parking lamps must be on for your foglamps to work. The fog lamp switch is light as your headlamps. Never use your fog lamps in the dark without turning on your headlamps. The fog lamps will go off whenever your high-beam headlamps - 1998 GMC Envoy | Owner's Manual - Page 100
lights brighter. Turn the switch all the way up to turn on the interior lamps. Front Reading headlamps knob, all the way LIP. In this position, the dome lamps will remain on whether the doors are opened or closed. Illuminated Entry Your vehicle is equipped with an illuminated entry feature - 1998 GMC Envoy | Owner's Manual - Page 101
the illuminated entry feature. Mirrors Electrochromic Daymight Inside Rearview Mirror Battery Run-Down Protection This feature shuts off interior lamps, it may be necessary to do one of the following to return to normal operation: 0 This mirror automatically changes to reduce glare from headlamps - 1998 GMC Envoy | Owner's Manual - Page 102
off. Time Delay The automatic mirror has time delay feature which a prevents unnecessary switching from the night back to the day position. This delay prevents rapid changing of the mirror as you drive under lights and through traffic. Move the upper control to the left or right to choose the - 1998 GMC Envoy | Owner's Manual - Page 103
glove box, lift the lever on the front of the glove box and lower the door. The glove box should not be open while driving. Overhead Console 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 - 1998 GMC Envoy | Owner's Manual - Page 104
to is the driver that road conditions may be icy, and that appropriate precautions ,so it does not need to be manually set. However, if C (Calibration) is display C and you can release the buttons. Drive the vehicle in a complete 360" circle three This system displaysthe outside air temperature, compass direction and - 1998 GMC Envoy | Owner's Manual - Page 105
ECON: Instantaneous fuel economy for the last second of driving is displayed. Variance is the difference between magnetic north and geographic north. In some areas, the difference between the two can be great enough to cause false compass readings. If this happens, follow these instructions to set - 1998 GMC Envoy | Owner's Manual - Page 106
reset. Reset can only be performed in the AVG ECON, FUEL USED and AVG SPEED modes. All three modes are reset simultaneously. Center Floor a console between the two front bucket seats. Sunglasses Storage Compartment To open the console, pull up on the console cover. The console has two cupholders - 1998 GMC Envoy | Owner's Manual - Page 107
located in the front of the storage compartment. Push in on the door release. The and cupholders will pop out for use. The consolealso contains the following components: 0 You may have a convenience net in the rear of your vehicle to help keep small items, like gloves and light clothing in place - 1998 GMC Envoy | Owner's Manual - Page 108
of the vehicle to secure it. Cargo Tie Downs There arefour cargo tie downs in the rear that allow you to strap cargo in and keep it from moving inside the vehicle. An improperly storedcargo cover could be thrown about the vehicle duringa collision or sudden maneuver. You or others could be - 1998 GMC Envoy | Owner's Manual - Page 109
Use GM accessory racks that are like paneling, plywood, a mattress, and so forth the wind can catch itas you drive along. This can cause you to lose control. What you are carrying could be violently tie the loadto the bumpers.Do not tie the load so tightly that the crossrails or side rails are damaged - 1998 GMC Envoy | Owner's Manual - Page 110
carry large things, never let them hang over the rear orthe sides of your vehicle. When loading cargo on the prevent damage or loss of cargo as you're driving, check now and then to make sure the in the center floor console, in front of the shift lever. Flip the cover to expose the ashtray. NOTICE: - 1998 GMC Envoy | Owner's Manual - Page 111
. That canmake it overload, damaging the lighter and the heating element. There is a smaller ashtray in the rear of the center floor console. Illuminated VisorVanity Mirror Pull the sun visor down and lift the mirror cover to turn on the lamps. Accessory Inflator Your vehicle is equipped with an - 1998 GMC Envoy | Owner's Manual - Page 112
" in the Index or see your dealer for service. Inflating something too much can make it explode, and you or others could be injured.Be sure to read the inflator instructions, and inflate any object only to its recommended pressure. Your air inflator will automatically shut off after about 10 minutes - 1998 GMC Envoy | Owner's Manual - Page 113
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 - 1998 GMC Envoy | Owner's Manual - Page 114
three individual hand-held transmitters. It will operate garage doorsand gates, or with the accessory package, other devices controlled by radio frequency such as home/office lighting systems and security systems. The transmitterwill learn andtransmit the frequencies of most current transmitters and - 1998 GMC Envoy | Owner's Manual - Page 115
Part 15 of the FCC Rules. Operation is subject to the following two conditions service does not have the "stop and reverse" feature. This includes any garage door opener model you ~ 1 -Iwogmmning! e Your vehicle's engine should be turned off while programming the transmitter. red light begins - 1998 GMC Envoy | Owner's Manual - Page 116
original hand-held transmitter in case you need to erase and light comes on while the signal is being transmitted. Note that the effective transmission the light starts to flash rapidly. If you have trouble programmingthe again. The universal transmitter may not work with older garage door openers that - 1998 GMC Envoy | Owner's Manual - Page 117
have a security feature that changes the "code" of your garage door opener every time it is opened closed. or 2. Remove the cover panel from the has this "rolling code" feature,press the appropriate button on the universal transmitter that was programmed. If the red light flashes rapidly for one - 1998 GMC Envoy | Owner's Manual - Page 118
services are available 24 hours a day: 0 0 To erase all three programmed channels, hold down the two outside buttons until the red light Air Bag Deployment ConciergeKustomer Convenience Services Accessories Accessories standard features. For more information, contact your GMC dealer. A user's guide - 1998 GMC Envoy | Owner's Manual - Page 119
Instrument Panel 2-58 - 1998 GMC Envoy | Owner's Manual - Page 120
A. Air Vents 1. ComfortControls B. Instrument Cluster C. Electronic Transfer Case J. Accessory Power Outlets and Lighter K. Rear Liftgate Release D. Glove Box E. Audio System E Rear Window Defogger L. Rear Window Washerwiper M. Brake Release N. Hood Release G. CD Changer H. Ashtray 0. Fog - 1998 GMC Envoy | Owner's Manual - Page 121
Instrument Panel Cluster U.S. cluster shown; Canada similar 2-60 - 1998 GMC Envoy | Owner's Manual - Page 122
normal operating range, red warning range and red danger range. The normal operating range showsyour engine speed during normal driving conditions. For example, when the needle points to 2, it means the engine is running at 2,000 revolutions per minute (rpm). The tachometer needle will vary all the - 1998 GMC Envoy | Owner's Manual - Page 123
1 ing Lights, Gages and Indicators This part describes the warning lights and gages that may be on your vehicle. The pictures will help you locate them. Warning lights and gages can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying - 1998 GMC Envoy | Owner's Manual - Page 124
go out. This means the system is ready. If the air bag readiness light stays on after you start the engine or comes on when you are driving, your air bag system may not work properly. Have your vehicle serviced right away. The air bag readiness light should flash for afew seconds when you turn the - 1998 GMC Envoy | Owner's Manual - Page 125
accessories. When the engine isrunning, the gage shows the condition of the charging system. Readings between the low and high warning zones indicate the normal operating range. Readings in either warning zone indicate a possible problem in the electrical system. Have the vehicle serviced - 1998 GMC Envoy | Owner's Manual - Page 126
two parts. If one part isn't working, the other part can still work and stop you. For good braking, though, you need both parts working well. If the warning light comes on, there could a brake be problem. Have your brake system inspected right away. If the light comes on while you are driving,pull - 1998 GMC Envoy | Owner's Manual - Page 127
has overheated. If you have been operating your vehicle under normal driving conditions, you should pull off the road, stop your vehicle and turn off the engine as soon as possible. The "Problems on the Road" section of this manual shows you what to do. See "EngineOverheating" in the Index. 2-66 - 1998 GMC Envoy | Owner's Manual - Page 128
to show you it is working, when the ignition is on and the engine is not running. If the light doesn't come on, have it repaired. This light will also come on during a malfunction in one of two ways: a Light Flashing -- A misfire condition has been SERVICE ENGINE SOON United States Your vehicle - 1998 GMC Envoy | Owner's Manual - Page 129
at least 10 seconds and restart the engine. If the light remains on steady, see "If the Light Is On Steady" following. If the light is still flashing, follow the previous steps, and drive the vehicle to your dealer or qualified service center for service. I f the Light Is On Steady You may be able - 1998 GMC Envoy | Owner's Manual - Page 130
after start-up, stalling when you put the vehicle into g a r , 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 - 1998 GMC Envoy | Owner's Manual - Page 131
and have your vehicle serviced. Security Warning Light I SECURITY This light will come on briefly when you turn the key toward START. The light will stay on until the engine starts. I NOTICE: Damage to your engine from neglected oil problems can be costlyand is not covered by your warranty. If - 1998 GMC Envoy | Owner's Manual - Page 132
serious damage to the vehicle. This system is also designed to assist your service technician in correctly diagnosing amalfunction. 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 warning zones. Gate - 1998 GMC Envoy | Owner's Manual - Page 133
when you turn off the ignition. @ FUEL ONLY Low Fuel Light This light comes on when the fuel tank is low on fuel. LOW FUEL Here are four things that some owners ask about. None of these show a problem with your fuel gage: 0 u At the gas station, the gas pump shuts off before the gage reads FULL - 1998 GMC Envoy | Owner's Manual - Page 134
Climate Control System Air Conditioning Heating Ventilation System Defogging and Defrosting Rear Window Defogger Audio Stereo with Compact Disc Player (If Equipped) Rear Seat Audio (RSA) Console-Mounted CD Changer Theft-Deterrent Feature Understanding Radio Reception Tips About Your Audio System - 1998 GMC Envoy | Owner's Manual - Page 135
select the on desired air temperaturein your vehicle. This knobwill allow you to adjust the interior air temperature independently of the To manually increaseairflow, move the knob to the right. To manually decrease airflow, move it to the left. OFF: If the knob is in OFF, outside air will still - 1998 GMC Envoy | Owner's Manual - Page 136
coolant temperature or the time since the engine was last started.As the coolant warms up, the blower fan speed will gradually increase and will flow from the air the heater outlets, with some airflow to windshield to prevent fogging under most normal conditions. If your vehicle is sitting out - 1998 GMC Envoy | Owner's Manual - Page 137
and the windshield defroster outlets. The air conditioning compressor may run to dehumidify the air to prevent window fogging. DEFROST This setting directs most air through the windshield defroster outlets and some through the heater outlets. Theair conditioning compressor may run to dehumidify the - 1998 GMC Envoy | Owner's Manual - Page 138
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 you keep your windows closed while using it. On cold - 1998 GMC Envoy | Owner's Manual - Page 139
0 Keep the hood and front air inlet free of ice, snow or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. fan control to the right to the highest setting for a few moments before driving off. This helps - 1998 GMC Envoy | Owner's Manual - Page 140
until the light in the switch comes on, then release it. It will only work if the ignition switch is turned to RUN. NOTICE: Don't usea razor blade or somethingelse sharp on the insideof the rear window.If you do, you could cut or damage the warming grid, and the repairs wouldn't be covered by - 1998 GMC Envoy | Owner's Manual - Page 141
to be sure you're gettingthe most out of the advanced engineering that went into it. AM-FM Stereo with Cassette Tape the display. To display the clock with the ignition off, press RECALL or HR/MN and the time will be displayed for a REAR DSPL: When the primary radio is turned on, press this button - 1998 GMC Envoy | Owner's Manual - Page 142
. When the radio is playing, press this button to recall the station frequency. SEEK: Press the right arrow to SCV Your system has a feature called Speed-Compensated-Volume (SCV). With SCV, your audio system adjusts automaticallyto make up for road and wind noise as you drive. Set the volume at the - 1998 GMC Envoy | Owner's Manual - Page 143
lightly on this knob to release it from its stored position. Turn the control to the right to adjust the sound to the front speakers and to the left for the rear thin they may not work well in this player. To load a cassette tape with the ignition off, press EJECT or RECALL. Then, insert the - 1998 GMC Envoy | Owner's Manual - Page 144
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 in the player and - 1998 GMC Envoy | Owner's Manual - Page 145
possible to use a CD adapter kit with your cassette tape player after activating the bypass feature on your tape player. To activate the bypass feature, usethe following steps: 1. Turn the ignition to RUN or ACCESSORY. 2. Turn the radio off. Included with the AM-FM Stereo with Compact Disc Player - 1998 GMC Envoy | Owner's Manual - Page 146
rear seat audio display off. RECALL: Display the time with the ignition off by pressing this button. When the radio is playing, press this button to recall the station frequency. SCV Your system has a feature to you as you drive. If you don't TUNE: Press this knob lightly so it extends. Turn it - 1998 GMC Envoy | Owner's Manual - Page 147
middle position balances the sound between the speakers. FADE: Press lightly on this knob to release it from its stored position. Turn the control to the right to adjust the sound to the front speakers and to the left for the rear speakers. The middle position balances the sound between the speakers - 1998 GMC Envoy | Owner's Manual - Page 148
comes back out and ERR appears on the display, it could be that: You are driving on a very rough road. (The disc should play when the road gets smoother.) about an hour and try again.) The disc player is very hot. 0 Press RECALL to make ERR go off the display. PREV (1): Press PREV or the SEEK left - 1998 GMC Envoy | Owner's Manual - Page 149
CD symbol play will still displaybut the word CD will be replaced with either AM, FM1 or FM2. (If the radio feature allows rear seat passengerslisten toany to of the music sources including AM-FM, cassette tapes and CDs.However, the rear seat passengers can only control themusic sources thatthe front - 1998 GMC Envoy | Owner's Manual - Page 150
front seat audio controls always overridethe Rear Seat Audio (RSA) controls. The rear speakers will be muted when the RSA power is turned on. You may operate the RSA functions even when the primary radio power is off. luote that this feature is intended for rear Press this knob lightly so it extends. - 1998 GMC Envoy | Owner's Manual - Page 151
P.SET PROG: The front passengers must be listening to something different for eachof these functions to work: Press this button to seek through the preset radio stations set on your primary radio pushbuttons. 0 Console-Mounted CD Changer When a cassette tape isplaying, press - 1998 GMC Envoy | Owner's Manual - Page 152
display until the changer is ready to play. When a CD begins playing, a disc and track number will be displayed. The discnumbers are listed on the front of the magazine. If your vehicle is equipped with the AM-FM Stereowith Cassette Tape Player, the following buttons are used for the console-mounted - 1998 GMC Envoy | Owner's Manual - Page 153
TAPE AUX: Press this button if you have a disc loaded in the changer and the radio is turned on, to play a compact disc. Press AM-FM to return to the radio when a compact disc is playing. Press TAPE AUX to switch between the tape and console-mounted CD changer if both are loaded. To eject the disc - 1998 GMC Envoy | Owner's Manual - Page 154
condition anytime battery power has been interrupted. If your battery loses power for any reason, you must unlock the radio with the secret code before it will operate. You are driving Activating the Theft-Deterrent Feature The instructions which follow explain how Press RECALL to make ERR go - 1998 GMC Envoy | Owner's Manual - Page 155
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. Unlocking the Theft-Deterrent Feature After a Power Loss Enter your secret code as follows;pause no more than 15 seconds between steps: 1. LOC appears when the - 1998 GMC Envoy | Owner's Manual - Page 156
code as follows; pause no more than 15 seconds between steps: 1. Turn the ignition to ACCESSORY or RUN. 2. Turn the radio off. To unlock a secured radio, see "Unlocking the Theft-Deterrent Feature After a Power Loss" earlier in this section. Understanding Radio Reception AM The range for most - 1998 GMC Envoy | Owner's Manual - Page 157
stored in their cases away from contaminants, direct sunlight and extreme heat. If they may interfere with the operation of your vehicle's engine, Delco Electronics radio or other systems, and even dealer and be sure to check Federal rules covering mobile radio andtelephone units. -- -- Your tape - 1998 GMC Envoy | Owner's Manual - Page 158
feature and a cleaning cassette may appear as a broken tape. To prevent the cleaning cassette frombeing ejected, use the following steps. 1. Turn the ignition to RUN or ACCESSORY sure the cassette tape is in good condition before you have your tape player serviced. 3. Press and hold the TAPE AUX - 1998 GMC Envoy | Owner's Manual - Page 159
Compact Discs Handle discs carefully. Store them in their original cases or other protective cases and away from direct sunlight and dust. If the surface . If the mast is badly bent, as it might be by vandals, you should replace it. Check every once in a while to be sure the mast is still tightened - 1998 GMC Envoy | Owner's Manual - Page 160
conditions,We've also of included many other useful tips on driving. 4- 2 4-3 4-6 4-6 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 GM Four-Wheel-Drive - 1998 GMC Envoy | Owner's Manual - Page 161
might do. Be ready for their mistakes. Rear-end collisions are about the most preventable of accidents. Yet they are common. Allow enough following distance. It's the best defensive driving maneuver. in both city and rural driving. You never know when the vehicle in front of you is going to brake or - 1998 GMC Envoy | Owner's Manual - Page 162
anyone nee.ds to drive a vehicle: 0 0 The obvious way to solve this highway safety problem is for people never to drink alcohol and then drive. But what if people deaths involve alcohol. In most cases, these deaths are the result of someone who was drinking and driving. In recent years, over 17 - 1998 GMC Envoy | Owner's Manual - Page 163
of body water than men. that Since alcohol is carried i n body water. this ~neans a But the ability to drive is affected well below a BAC of 0.10 percent. Research shows that the driving skills of many people are impaired at a BAC approaching 0.05 percent, and that the effects are worse at night - 1998 GMC Envoy | Owner's Manual - Page 164
? A person with even a moderate BAC might not be able to react quickly enough to avoid collision. the There's something else about drinking and driving that many people don't know. Medical research shows that alcohol in a person's system can make crashinjuries worse, especially injuries to the brain - 1998 GMC Envoy | Owner's Manual - Page 165
steering and the accelerator. All three systems have to do their work at theplaces where the tires meet the road. Braking Braking orthree seconds or more with another. Age, physical condition, alertness, coordination and eyesight all play a part. So do alcohol, drugs and frustration. But even - 1998 GMC Envoy | Owner's Manual - Page 166
gravel); the condition of the road (wet, dry, icy); tire tread; the condition of your problem with the anti-lock brake system, this warning light will stay on. See "Anti-Lock Brake System Warning Light" in the Index. If your engine ever stops while you're driving, brake normally but don't pump - 1998 GMC Envoy | Owner's Manual - Page 167
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 one of the - 1998 GMC Envoy | Owner's Manual - Page 168
in front of pump the brakes. Just hold the brake pedal down firmly and let anti-lock work for you. You may feel the brakes vibrate, or YOLI may notice some noise, but this is normal. Your anti-lock brakes work at all times -- whether you are in two-wheel or four-wheel drive. Steering Tips Driving - 1998 GMC Envoy | Owner's Manual - Page 169
work conditions. Under less favorable conditions truck stopped i n your lane, or a car suddenly pulls out from nowhere, or a child darts out from between parked cars and stops right in front of you. You can avoid these problems front wheels are straight ahead. Try to adjust your speed so you can "drive - 1998 GMC Envoy | Owner's Manual - Page 170
straighten the wheel once you have avoided the object. The fac.t that such emergency situations are always possible is a good reason to practice defensive driving at all times the steering wheel up to one-quarter turn until the right front tire contacts the pavement edge. Then turn your steering - 1998 GMC Envoy | Owner's Manual - Page 171
suddenly put the passing driver face to face with the worst of all traffic accidents -- the head-on collision. So here are sometips for passing: "Drive ahead." Look down the road, to the sides and to crossroads for situations that might affect your passing patterns. If you have any doubt whatsoever - 1998 GMC Envoy | Owner's Manual - Page 172
of the passed vehicle to see front in your its inside mirror, activate Loss of Control Let's review what driving experts say about what existing conditions, and by not "overdriving" those conditions. But acceleration skid, too much throttle causes the driving wheels to spin. A cornering skid and an - 1998 GMC Envoy | Owner's Manual - Page 173
brake system (ABS) helps avoid only the braking skid. Driving Guidelines This multipurpose problems. They are not designed for cornering at the same speeds as conventional two-wheel-drive vehicles any more than low-slung sports cars are designed to perform satisfxtorily under off-road conditions - 1998 GMC Envoy | Owner's Manual - Page 174
be sure to have all necessary maintenance and 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 fully inflated'? Are the - 1998 GMC Envoy | Owner's Manual - Page 175
cargo area far as forward and low as nossible. Off-road driving can provide wholesome and satisfying recreation. However, it also raises environmental catch fire from the heat of the vehicle's exhaust system. 0 0 0 0 0 You'll find other important information in this manual. See "Vehicle Loading - 1998 GMC Envoy | Owner's Manual - Page 176
to listen for unusual tire or engine sounds. With your arms, hands, feet and body. you'll need to respond to vibrations and vehicle bounce. 0 you'll need more distance for braking, especially since you're on an unpaved surface. A c .u7c-i: When you're driving off-road, bouncing and quick changes - 1998 GMC Envoy | Owner's Manual - Page 177
over obstacles or rough terrain, keep a firm grip on the steering wheel. Ruts, troughs or other surhce features can jerk the wheel out of your hands if you're not prepared. When you drive over bumps, rocks, or other obstacles, your wheels can leave the ground. If this happens, even with one or two - 1998 GMC Envoy | Owner's Manual - Page 178
across them,you will roll over.You could be seriously injured or killed. If you have any doubt about the steepness, don't drive the hill. 0 0 Are there obstructions o n the hill that can block your path (boulders, trees. logs or ruts)'? What's beyond the hill? Is there a cliff, an - 1998 GMC Envoy | Owner's Manual - Page 179
as you approach the top of the hill to let opposing traffic know you're there. Use your headlamps even during the day. They make you more visible to oncoming traffic. Try to drive straight up the hill if at all possible. If the path twists and turns, you might want to - 1998 GMC Envoy | Owner's Manual - Page 180
wheel too far to the left or right will increase the possibility of a rollover. Never attempt to prevent a stall by shifting into NEUTRAL (N) to "rev-up" the engine and regain forward momentum. Thiswon't work brake, put your transmission in PARK (P) and turn off the engine. Leave the vehicle and - 1998 GMC Envoy | Owner's Manual - Page 181
that's not too steep to drive down may be too steep to drive ~CI-OSS. You could roll over if you don't drive straight down. Never go downhill with the transmission i n NEUTRAL (N). This is crdled "free-wheeling." Your brakes w i l l have to do a l l the work and could overheat and fade. 0 4-22 - 1998 GMC Envoy | Owner's Manual - Page 182
) may not prevent the vehicle from tilting and rolling over. Also. driving across an incline puts more weight on the downhill wheels. This could cause a downhill slide o r a rollover. 0 Surface conditions can be a problem when you drive across a hill. Loose gravel, muddy spots, or even wet e orass - 1998 GMC Envoy | Owner's Manual - Page 183
roll over. You could be seriously injured or killed. If you have any doubt about thesteepness of the incline, don't drive across it. Find another route instead. What if I'm driving across an incline that's not too steep, but I hit some loosegravel and start to slide downhill. What should I do? If - 1998 GMC Envoy | Owner's Manual - Page 184
well clear of the rollover path. When you drive on sand, you'll sense a change in wheel traction. But it will depend upon how loosely steering, acceleratingand braking. You may want to reduce the air pressure in your tires slightly when driving on sand. This will improve traction. Hard packed - 1998 GMC Envoy | Owner's Manual - Page 185
rain causes n o special off-road driving problems. But heavy rain can mean flash flooding, and flood waters demand extreme caution. Find o u t how deep the water is before you drive through it. If' it's deep enough to cover your wheel hubs. axles or exhaust pipe, don't try it -- you probably won - 1998 GMC Envoy | Owner's Manual - Page 186
service due to off-road use. Refer to the Maintenance Schedule for additional information. Here are some tips on night driving. 0 0 0 Drivin at Night 0 0 Drive defensively. Don't drink and drive. Adjust your inside rearview mirror to reduce the c2 "lare from headlamps as much light to see the - 1998 GMC Envoy | Owner's Manual - Page 187
eyes be examined regularly. Some drivers suffer from night blindness -- the inability to see in dim light -- and aren't even aware of it. Driving in Rainand 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 - 1998 GMC Envoy | Owner's Manual - Page 188
in good shape and keep your windshield washer tank filled with washer fluid. Replace your windshield wiper inserts when they show signs of streaking or missing areas vehicle. After driving through a large puddleof water or a car wash, apply your brake pedal lightly until your brakes work normally. - 1998 GMC Envoy | Owner's Manual - Page 189
when it is raining. 1)riving Through Deep Standing W F r ' NOTICE: If you drive too quickly through deep puddles or standing water, water can come in through your engine's air intake and badly damage your is engine. Never drive through water that slightly of lower than the underbody your vehicle - 1998 GMC Envoy | Owner's Manual - Page 190
just as you would for a cross-country trip. Try to use the freeways that rim and crisscross most large cities. You'll save time and energy. (See the next part, "Freeway Driving.") Treat a green light as a warning signal. A traffic light is there because the corner is busy enough to need it. When - 1998 GMC Envoy | Owner's Manual - Page 191
the freeway. If you have a clear view of the freeway as you drive along the entrance ramp, you should begin to check traffic. Try to determine are on the freeway, adjust your speed to the posted limit or to the prevailing rate if it's slower. Stay in the right lane unless you want to pass. Before - 1998 GMC Envoy | Owner's Manual - Page 192
too many miles that first part of the journey. Wear comfortable clothing and shoes you can easily drive in. 0 Fuel, Elzgirze Oil, Other Flr.ds: Have you checked all levels'? Lcunps: Are they all working? Are the lenses clean? Tires: They are vitally important to a safe, trouble-free trip. Is the - 1998 GMC Envoy | Owner's Manual - Page 193
Highway Hypnosis Is there actually such a condition as "highway hypnosis"? Or is it just plain falling asleep at the wheel? Call it highway hypnosis, lack of awareness, or whatever. aLL - - ountain Roads There is something about an easy stretch of road with the same scenery, - 1998 GMC Envoy | Owner's Manual - Page 194
and transmission. Theseparts can work hard on mountain roads. Know how to go down hills. The most important do thing to know is this: let your engine some The lower gears help cool your engine andtransmission, and you can climb the hill better. Stay in your own lanewhen driving on two-lane roads in - 1998 GMC Envoy | Owner's Manual - Page 195
problems. Examples are long grades, passing or no-passing zones, a falling rocks area or winding roads. Be alert to these and take appropriate action. Here are solne tips for winter driving you will be driving under severe conditions, include a small bag of sand, a piece of old carpet or a couple - 1998 GMC Envoy | Owner's Manual - Page 196
condition -- smooth ice, packed, blowing or loose snow -- drive with caution. Accelerate gently. Try not to break the fragile traction. If you accelerate too fast, the drive wheels or icecan be slick and hard to drive on. But wet ice can be even more trouble because it may offer the least traction - 1998 GMC Envoy | Owner's Manual - Page 197
snow. Here are some things to do to summon help and keep yourself and yo~w passengers safe: Turn on y o ~ hazard flashers. ~r You can run the engine to keep warm, but be careful. 4-38 - 1998 GMC Envoy | Owner's Manual - Page 198
accelerator slightly. This uses less fuel for the heat that you get and it keeps the will need a well-charged battery to battery charged. YOLI restart the vehicle, and possibly for signaling later on with your headlamps. Let the heater run for a while. Then, shut the engine off and close the window - 1998 GMC Envoy | Owner's Manual - Page 199
GVWR includes the weight of the vehicle, all occupants, fuel, cargo and trailer tongue weight, if pulling a trailer. A (- %I---- - -, Do not load your vehicle any heavier than the GVWR, or either the maximum front rear or GAWR. If you do, parts on your vehicle can break, or it can change the - 1998 GMC Envoy | Owner's Manual - Page 200
suspension components get added to durability mightnot change your weight ratings. Ask your dealer to help load yourvehicle the right for off-road driving in this manual. See "Loading Vehicle for Your Off-Road Driving"in the Index. NOTICE: Your warranty does not cover parts or components that - 1998 GMC Envoy | Owner's Manual - Page 201
to work. The system includes a small electric air compressor and air-adjustable rear shock absorbers. You may hear the compressor operating when you load or unload your vehicle, and periodically as the system self-adjusts. This is normal. NOTICE: Your warranty does not cover parts or components - 1998 GMC Envoy | Owner's Manual - Page 202
vehicle before you buy and install the new equipment. Towing a Trailer A CAUTION: If you don't use the correctequipment and drive properly, you can lose control when you pull a trailer. For example, if the traileris too heavy, the brakes may not work well or even at all. You and your passengers - 1998 GMC Envoy | Owner's Manual - Page 203
helps your engine and other parts of your vehicle wear in at the heavier loads. You should use DRIVE (D) (or, as you need to, a lower gear) when towing a trailer. Operating your vehicle in DRIVE (D) when towing a trailer will minimize heat buildup and extend the life of your transmission. the weight - 1998 GMC Envoy | Owner's Manual - Page 204
and the people who will be riding in the vehicle. And if you will tow a trailer, you must add the tongue load to the GVW because your Warranty and Owner Assistance Information Booklet. In Canada. write to: General Motors of Canada Limited Customer Communication Centre 1908 Colonel Sam Drive Oshawa, - 1998 GMC Envoy | Owner's Manual - Page 205
Hitches A B It's important to have the correct hitch equipment. Crosswinds, large trucks going by and rough roads are a few reasons why you'll need the right is very important for proper vehicle loading and good handling when you're driving. Will you have to make any holes in the body of your - 1998 GMC Envoy | Owner's Manual - Page 206
Be sure to read and follow the instructions for the trailer brakes so you'll be able to install. adjust and maintain them properly. I f everything checks out this fir, then make the brake fluid tap at the port on the master cylinder that sends fluid to the rear brakes. But don't L I S copper tubing - 1998 GMC Envoy | Owner's Manual - Page 207
leaks, and makenecessary repairs before starting on your trip. 0 Keep the rear-mostwindows closed. 0 I exhaust does comeinto your f vehicle through a window in the rear or another opening, drive with your front,main heating hand to be sure the brakes are working. This lets you check your electrical - 1998 GMC Envoy | Owner's Manual - Page 208
vehicle before you can return to your lane. Turn Signals When Towing a Trailer When you tow a trailer, your vehicle has to have extra wiring and a to check occasionally to be sure the trailer bulbs are still working. Backing Up Hold the bottom of the steering wheel with one hand. Then, to move the - 1998 GMC Envoy | Owner's Manual - Page 209
work well. On a long uphill grade, shift down and reduce your speed to around 45 mph (70 km/h) t o reduce the possibility of engine and transmission overheating. You should use DRIVE (D) when towing a trailer. Operating your vehicle in DRIVE (D) when towing a trailer will minimize heat buildup - 1998 GMC Envoy | Owner's Manual - Page 210
transmission fluid (don't overfill), engine oil, axle lubricant, belt, cooling system and brake adjustment. Each of these is covered in this manual are tight. Start your engine; Shift into a gear; and Release the parking brake. 0 2. Let up on the brake pedal. 3. Drive slowly until the trailer is - 1998 GMC Envoy | Owner's Manual - Page 211
The harness is stored under the vehicle, on the driver's side corner frame rear crossmember. The heavy-duty trailer wiring has a 30-amp feed wire with an . Red: Use for battery charging; it connects to the starter solenoid. Light Green: Back-up lamps. Brown: Taillamps and parking lamps. Yellow: Left - 1998 GMC Envoy | Owner's Manual - Page 212
on the Road Here you'll find what to do about some problems that can occur on the road. 5-2 5-2 5-3 5-7 5-11 Hazard Warning Flashers Other Warning Devices Jump Starting Towing Your Vehicle Engine Overheating 5-20 5-20 5-2 1 5-32 Engine Fan Noise If a Tire Goes Flat Changing a Flat Tire If You're - 1998 GMC Envoy | Owner's Manual - Page 213
hazard warning flashers let you warn others. They also letpolice know you have a problem. Your front and rear turn signal lampswill flash on and off. When the hazard warning flashers are on, your turn signals won't work. Other Warning Devices If you carry reflective triangles, you can set one up - 1998 GMC Envoy | Owner's Manual - Page 214
to do it safely. NOTICE: Ignoring these steps could result in costly damage to your vehicle that wouldn't be covered by your warranty. Trying to start your vehicle by pushing or pulling it won't work, and itcould damage your vehicle. 1. Check the other vehicle. It must have a 12-volt battery with - 1998 GMC Envoy | Owner's Manual - Page 215
ignition on both vehicles. Unplug unnecessary accessories plugged into the cigarette lighter or the accessory power outlets. Turn off all lamps and some have been blinded. Use a flashlight if you need more light. Be sure the battery has enough water. You don't need to covered by your warranty. L 5-4 - 1998 GMC Envoy | Owner's Manual - Page 216
insulation. If they do. you could get a shock. The vehicles could be damaged too. Before you connect the cables, here are some basic things you should know. Positive (+) will go to positive (+) and negative (-) will go to a metal engine part. Don't connect positive (+) to negative (-) or you - 1998 GMC Envoy | Owner's Manual - Page 217
. 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 I A R u. CAUL3N: Good Battery I c- Dead Battery Fans orother moving engine parts can injure you badly. Keep your hands away from moving - 1998 GMC Envoy | Owner's Manual - Page 218
the hazard warning flashers. When you call, tell the towing service: 0 0 0 That your vehicle has four-wheel drive. The make, model and year of your vehicle. Whether you can rnolle the shift lever for the transmission and shift the transfer case. If there was an accident, what was damaged. 0 When - 1998 GMC Envoy | Owner's Manual - Page 219
5. Release the solenoid lever and replace the trim panel. Don't have your vehicle towed on the drive wheels unless you must. If the vehicle must be towed on the drive wheels, be sure to follow the speed and distance restrictions later in this section or your transmission will be damaged. If these - 1998 GMC Envoy | Owner's Manual - Page 220
clearance is obtained between the ground and/or wheel-lift equipment. Do not attach winch cables or J-hooks to suspension components when using car-carrier equipment. Always use T-hooksinserted in the T-hook slots. You must use a towing dolly under the rear wheels when towing from the front. 5-9 - 1998 GMC Envoy | Owner's Manual - Page 221
with sling-type equipment or rear bumper valance damage will occur. Use wheel-lift or car-carrierequipment. Additional ramping may be required for car-carrierequipment. Use safety chains and wheel straps. Towing a vehicle over rough surfaces could damage a vehicle. Damage can occur from vehicle to - 1998 GMC Envoy | Owner's Manual - Page 222
Is Coming From Your Engine Steam from a n overheated engine can burn you away badly, even if you ,justopen the hood. Stay from the engine you see or your engine if it overheats, and get out the vehicle until the of engine is cool. NOTICE: If your engine catches fire because keep you driving with - 1998 GMC Envoy | Owner's Manual - Page 223
the overheat warning but see or hear no you steam, the problem may not be too serious. Sometimes the engine can get a little too hot when you: 0 If you no longer have the overheat warning, you can drive. Just to be safe, drive slower for about 10 minutes. If the warning doesn't come back - 1998 GMC Envoy | Owner's Manual - Page 224
else until it cools down. c. I 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 i n the radiator hoses, heater hoses, radiator, water pump or somewhere elsein the cooling system. 5-13 - 1998 GMC Envoy | Owner's Manual - Page 225
Heater and radiator hoses, and otherengine parts, can be very hot. Don't touch them. If you do, you can be burned. Don't run the engine there is a leak. If you run if the engine,it could lose all coolant. That could cause an engine fire, and could be burned. you Get any leak fixed before you drive - 1998 GMC Envoy | Owner's Manual - Page 226
,water canfreeze and crack the engine, radiator, heater core and other parts. Use the recommended coolant and the proper coolant mixture. A CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and itwill burn if the engine parts arehot coolant on - 1998 GMC Envoy | Owner's Manual - Page 227
JON: Steam and scalding liquids from a hot cooling system can blow out and burn badly. They you are under pressure, and if you turn the radiator pressure cap even a little they can come out at high speed. Neverturn the capwhen the cooling system,including the radiatorpressure cap, is hot. Wait for - 1998 GMC Envoy | Owner's Manual - Page 228
cap, but now push down as you turn it. Remove the pressure cap. I . You can remove the radiator pressure cap when the cooling system. including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise until it first stops. (Don't press down - 1998 GMC Envoy | Owner's Manual - Page 229
@ 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 back on the coolant recovery tank, but leave the radiator pressure cap off. 5-18 - 1998 GMC Envoy | Owner's Manual - Page 230
out for the engine cooling fan. 7. By this time, the coolant level inside the radiator filler neck may be lower. If the level is lower, add more of the proper DEX-COOL@ coolant mixture through the filler neck until the level reaches the base of the filler neck. 8. Then replace the pressure cap - 1998 GMC Envoy | Owner's Manual - Page 231
clutch is engaged, 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 - 1998 GMC Envoy | Owner's Manual - Page 232
Tire If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on your hazard warning flashers the shift lever in PARK (P). 3. l b r n off the engine. 4. Put the wheel blocks at the frontand rear of the tire farthest away from the one being changed. That would - 1998 GMC Envoy | Owner's Manual - Page 233
's side inner rear quarter panel. vehicle is Your also equipped with work gloves anda plastic supported bya jack. Always tighten the tire fully against the underside of the vehicle when restowing. To remove your jack cover, pull up on the latches on the cover. Remove the wheel blocks, jack and wheel - 1998 GMC Envoy | Owner's Manual - Page 234
can lower the spare tire, must remove you of the the access hole cover on the passenger's side rear bumper. Insert your index finger into the indentation near the lamp and pull to remove cover. the To remove the spare, insert the chisel endthe wheel of wrench, on an angle, into the hole in the - 1998 GMC Envoy | Owner's Manual - Page 235
has been completely lowered, tilt the retainer at the end of the cable and it through the pull wheel opening. Pull the tireout from under the vehicle. NOTICE: To help avoid vehicle damage, not drive the do vehicle before the cable is properly stored. P the mare tire near the flat tire. The - 1998 GMC Envoy | Owner's Manual - Page 236
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 removethem yet. 2. Turn the jack handle to the right to raise the jack lift - 1998 GMC Envoy | Owner's Manual - Page 237
is dangerous. If the vehicle slips off the jack,you could be badly injured or killed. Never getunder a vehicle whenit is supported only by a jack. A CAUTION: A. Front Frame Hole I I B. Spring Hanger Hole Raising your vehicle with jack improF,,,ly the positioned can damage vehicle and even make - 1998 GMC Envoy | Owner's Manual - Page 238
right. Raise the vehicle far enough off the ground so there is enough room for the spare tire to fit. 5 . Remove all the wheel nuts and take off the flat tire. I Rust or dirton the wheel, or on the parts to which it is fastened, can make thewheel nuts become looseafter a time. The - 1998 GMC Envoy | Owner's Manual - Page 239
/I\ CAUTION: Never use oil grease on studs or nuts. If you or do, the nuts might come loose. Your wheel could fall off, causing a serious accident. 7. Place the spare on the wheel mounting surface. 8. Put the nuts on by hand. Make sure the cone-shaped end is toward the wheel. Tighten each nut by - 1998 GMC Envoy | Owner's Manual - Page 240
repairs, evenly tighten the wheel nuts in the propersequence and to the proper torque specification. Storing a Flator Spare Tireand Tools A CAUTION: Incorrect wheel nuts orimproperly tightened wheel nuts cancause the wheel have to replace them, be sure to get new GM original equipment wheel nuts. - 1998 GMC Envoy | Owner's Manual - Page 241
the vehicle. You will hear two "clicks" when the tire is secure, but pull on the tire to make sure. Return the jack, wheel wrench and wheel blocks to the proper location in your vehicle's rear area. Securethe items and replace the jack cover. I "3 b -1- E Lower G. Raise BJ I H. Hoist Arm 5-30 - 1998 GMC Envoy | Owner's Manual - Page 242
Make sure the tire and carrier are secure. Driving with the tire or carrier unlatched could injure pedestriansor damage the vehicle. L A. Retainer E Wheel Blocks B. Rubber Band (Some Models) C. Work Gloves D. Ground Mat E. Jack Storage Cover G. Wheel Wrench H. Jack 1. Jacking Instructions 5-31 - 1998 GMC Envoy | Owner's Manual - Page 243
explode, and you or others could be injured. And, the transmission or other parts the vehicle can of overheat. That could cause an engine compartment fireor otherdamage. When you're stuck, spin the wheels as little as possible. Don't spin the wheels above 35 mph (55 km/h) asshown on the speedometer - 1998 GMC Envoy | Owner's Manual - Page 244
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 pedal while you shift, and press lightly on the accelerator pedal when the transmission is in gear - 1998 GMC Envoy | Owner's Manual - Page 245
hooks could break off and you or others could be injured from the chain or cable snappine back. I I NOTICE: Never use the recovery hooks to tow the vehicle. Your vehicle could be damaged and itwould not be - 1998 GMC Envoy | Owner's Manual - Page 246
fi NOTES 5-35 - 1998 GMC Envoy | Owner's Manual - Page 247
NOTES 5-36 - 1998 GMC Envoy | Owner's Manual - Page 248
Hood Engine Oil Air Cleaner Automatic Transmission Fluid Rear Axle Four- Wheel Drive Engine Coolant Radiator PressureCap Thermostat Power SteeringFluid Windshield Washer Fluid Brakes 6-30 6-3 1 6-34 6-36 6-45 6-46 6-48 6-50 6-53 6-54 6-54 6-54 6- 60 6- 60 6-62 Battery Bulb Replacement Windshield - 1998 GMC Envoy | Owner's Manual - Page 249
To order the proper service manual, see "Service and Owner Publications" in the Index. Your vehicle has an air bag system. Before attempting to do your own service work, see "Servicing Your Air Bag-Equipped Vehicle" in the Index. You should keep a record with all parts receipts and list the mileage - 1998 GMC Envoy | Owner's Manual - Page 250
equipment to the outside of your vehicle. If you're using fuel rated at 87 octane orhigher and you hear heavy knocking, your engine needs service. But don't worry if you hear a little pinging noise when you're accelerating or driving LIPa hill. That's normal, and you don't have to buy a higher - 1998 GMC Envoy | Owner's Manual - Page 251
that the cause of the condition is the type of fuels used, repairs may not be covered by your warranty. Some gasolines 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 - 1998 GMC Envoy | Owner's Manual - Page 252
in the previoustext on fuel. Costly repairs caused by use of improper fuel wouldn't be covered by your warranty. Filling Your Tank To check on fuel availability, ask an auto club, or contact a major oil company that does business in the country whereyou'll be driving. You can also write - 1998 GMC Envoy | Owner's Manual - Page 253
be badly burned. Gasoline can spray out on youif you open the fuel filler cap too quickly.This spray can happen if your tank is nearly full, and is more likely in hot weather. Open the fuel filler cap slowly and wait for any "hiss" noiseto stop. Then unscrew the - 1998 GMC Envoy | Owner's Manual - Page 254
the wrong type, it may not fitproperly. This may to cause your malfunction indicator lamp light and your fuel tank andemissions systemmay be damaged. See "Malfunction Indicator Lamp"in the Index. Never fill should be maintained until thefilling is complete. Don't smoke while pumping gasoline. 6-7 - 1998 GMC Envoy | Owner's Manual - Page 255
Checking Things Underthe Hood Then go to the front of the vehicle and release the secondary hood release. Things that burncan get on hot engine 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 - 1998 GMC Envoy | Owner's Manual - Page 256
When you lift the hood, you'll see these items: C A. B. C. D. E. Battery Coolant Recovery Tank Engine Oil Dipstick Engine Oil Fill Transmission Dipstick E G. H. I. J. Power Steering Reservoir Brake Master Cylinder Air Cleaner Fuse Block Windshield Washer Fluid 6-9 - 1998 GMC Envoy | Owner's Manual - Page 257
to close. It will latch when dropped from 10 to12 inches (25 to 30 cm) without pressing on the hood. 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 - 1998 GMC Envoy | Owner's Manual - Page 258
the tip down, and check the level. When to Add Engine Oil If the oilis at or below the line, then you'll ADD need of oil. Butyou must use the to add at least one quart right kind. This part explains kind of oil touse. For what crankcase capacity, see "Capacities and Specifications" in - 1998 GMC Envoy | Owner's Manual - Page 259
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 for gasoline engines. I I RECOMMENDED SA€ VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT - 1998 GMC Envoy | Owner's Manual - Page 260
in dusty areas or off-road frequently. 0 You frequently tow a trailer or use a carrier on top of your vehicle. 0 The vehicle is used for delivery service, police, taxi or other commercial application. Driving under these conditions causes engine to oil break down sooner. If any one of these is true - 1998 GMC Envoy | Owner's Manual - Page 261
a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center for help. To remove the air cleaner, remove the wing nuts that hold the cover on. Remove the cover and lift out the air filter. Insert a new air filter, then replace the air cleaner cover - 1998 GMC Envoy | Owner's Manual - Page 262
backfires, you could be burned. Don't drive with it off, and be careful working on the engine with the air cleaner 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 - 1998 GMC Envoy | Owner's Manual - Page 263
instructions here, or you could get a false readingon the dipstick. Wait at least 30 minutes before checking the transmission fluid level if you have been driving on hot engine parts or exhaust system parts, starting a fire. Be sure to get accurate readingif you check your an transmission fluid. To - 1998 GMC Envoy | Owner's Manual - Page 264
at idle for three minutes or more. Then, without shutting off the engine, follow these steps: 1. The transmission dipstick has a red handle and is located at the rear of the engine compartment. Flip the handle up and then pull out the dipstick and wipe it with a clean rag or paper towel. Checking - 1998 GMC Envoy | Owner's Manual - Page 265
recommend you use only fluid labeled DEXRON@-111, because fluid with that label is made especially for your automatic transmission. Damage caused by fluid other than DEXRON-I11 is not covered by your new vehicle warranty. After adding fluid, recheck the fluid level as described under "How to Check - 1998 GMC Envoy | Owner's Manual - Page 266
Rear 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'll need to - 1998 GMC Envoy | Owner's Manual - Page 267
Four-wheel Drive Transfer Case When to Check Lubricant Refer to the Maintenance Schedule todetermine how often to check the lubricant. See "Periodic Maintenance Inspections" in the Index. How to - 1998 GMC Envoy | Owner's Manual - Page 268
Front Axle When to Check and Change Lubricant Refer to the Maintenance Schedule to determinehow often to check the lubricant and when to change it. See "Scheduled Maintenance Services when it is low. If you have a problem with engine overheating, see"Engine Overheating" in the Index. If the level is - 1998 GMC Envoy | Owner's Manual - Page 269
the proper engine temperature. Let the warning lights and gages work as they should. 0 0 NOTICE: When adding coolant, it is important thatyou use only DEX-COOL@(silicate-free) coolant. If coolant other thanDEX-COOL is added to the system, premature engine, heater core or radiator corrosion may - 1998 GMC Envoy | Owner's Manual - Page 270
NOTICE: If you use an improper coolant mixture, your engine could overheat and be badly damaged. The repaircost wouldn't be covered by your warranty. Too much water in the mixture can freeze and crackthe engine, radiator, heater core and other parts. If you have to add coolant more than four times a - 1998 GMC Envoy | Owner's Manual - Page 271
not to spill it. A CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and itwill burn if the engine parts arehot enough. Don't spill coolant on a hot engine. I NOTICE: Your radiator cap is a 15 psi (105 kPa) pressure-type cap and must be tightly - 1998 GMC Envoy | Owner's Manual - Page 272
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 aproblem. Have the system inspected and repaired. Power Steering Fluid How To Check Power Steering Fluid When the engine compartment is cool, wipe the cap and - 1998 GMC Envoy | Owner's Manual - Page 273
0 When using concentrated washer fluid, follow the manufacturer's instructions for adding water. Don't mix water with ready-to to freeze and damage your washer fluid tank and other parts of the washer system. Also, water doesn't clean as use engine coolant (antifreeze) in your windshield washer.It can - 1998 GMC Envoy | Owner's Manual - Page 274
fluid won't correct 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. Your brake master cylinder reservoir is here. It - 1998 GMC Envoy | Owner's Manual - Page 275
brake fluid, use only DOT-3 brake fluid -- such as Delco Supreme 11 (GM Part No. 12377967). Use new brake fluid from a sealed container only. @ Always clean 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 - 1998 GMC Envoy | Owner's Manual - Page 276
four-wheel 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 work well. That could lead to an accident. When you hear the brake wear warning sound, have your vehicle serviced. - 1998 GMC Envoy | Owner's Manual - Page 277
ones put in -- be sure you get new approved GM replacement parts. If you don't, your brakes may no longer work properly. For example, if someone puts in brake linings that are wrong for your vehicle, the balance between your front and rear brakes can change -- for the worse. The braking performance - 1998 GMC Envoy | Owner's Manual - Page 278
Bulb Replacement If you're not going to drive your vehicle for 25 days or more, remove the black, negative (-) cable from the battery. This will help keep your battery from running down. Before you replace any bulbs, be sure that all the lamps are off and the engine isn't running. See "Replacement - 1998 GMC Envoy | Owner's Manual - Page 279
2. Remove the black retainer clips by lifting up. 3. Pull the headlamp assembly out. 4. Unplug the electrical connector. 6-32 - 1998 GMC Envoy | Owner's Manual - Page 280
Front Turn Signal Lamp Assembly 1. Remove the headlamp assembly as shown under in "Composite Headlamp System" earlier this section. 5. Turn the bulb assembly to the left to remove it. 6. Put the new bulb assembly into the headlamp assembly and turn tothe right untilit is tight. it 7. Plug in the - 1998 GMC Envoy | Owner's Manual - Page 281
Parts" in the Index for the proper type of replacement blade. I NOTICE: 3. Pull the assembly away from the vehicle. 4. Turn the socket to the left to remove it. Push the tab in while you turn the socket to the left. 5. Holding the base of the bulb, pull the bulb straight out of the socket - 1998 GMC Envoy | Owner's Manual - Page 282
3. Remove the insert from the blade assembly. The insert has two notches at one end that are locked by the bottom claws of the blade assembly. At the notched end, pull the insert from the blade assembly. I 1 A. Blade Assembly B. Arm Assembly C. Locking Tab D. Blade Pivot E. Hook Slot E Arm Hook - 1998 GMC Envoy | Owner's Manual - Page 283
A Backglass Wiper Blade Rep --ment See "Windshield Wiper Blade Replacement" in this section for instructions on how to change the backglass wiper blade. The backglass about your tire warranty and where to obtain service, see your GMC Warranty booklet for details. A. Claw in Notch B. Correct - 1998 GMC Envoy | Owner's Manual - Page 284
your tread isbadly worn, or if your tires have been damaged, replace them. -- Tire Pressure The CertificatiodTire label, which is on the 't have enough air (underinflation), you can get the following: Too much flexing Too much heat Tire overloading Bad wear Bad handling Bad fuel economy. NOTICE: - 1998 GMC Envoy | Owner's Manual - Page 285
's Time for New Tires" and "Wheel Replacement" later in this section for more information. The purpose of regular rotation is to achieve more uniform wear for all tires on the vehicle. The first rotation is the most important. See "Scheduled Maintenance Services" in the Index for scheduled rotation - 1998 GMC Envoy | Owner's Manual - Page 286
. After the tires have been rotated, adjust the front and rear inflation pressures as shown on the Certificationflire label. Make certain that all wheel nuts are properly tightened. See "Wheel Nut Torque" in the Index. I + Rust or dirton a wheel, or on the parts to which it is fastened, can make - 1998 GMC Envoy | Owner's Manual - Page 287
that can't be repaired well because of the rating, traction, ride 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 - 1998 GMC Envoy | Owner's Manual - Page 288
cars and light trucksmay vary with respect to these grades, theymust also conform to Federal safety requirements and additional General Motors Tire Performance Criteria(TPC) standards. If you use bias-ply tires on your vehicle, the wheel rim flanges could developcracks after many miles of driving - 1998 GMC Envoy | Owner's Manual - Page 289
the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and generation of heat and its ability to dissipateheat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high - 1998 GMC Envoy | Owner's Manual - Page 290
the wheel, wheel bolts and wheel nuts should replaced. If the be wheel leaks air, replace it (except some aluminum wheels, which can sometimes repaired). See your be dealer if any of these conditions exist. of Your dealer will know the kind wheel you need. Using the wrong replacement wheels, wheel - 1998 GMC Envoy | Owner's Manual - Page 291
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. I you do find traction f devices that will fit, install them on the rear tires. Used Replacement Wheels - 1998 GMC Envoy | Owner's Manual - Page 292
if you strike a match or get themon a hot part of the vehicle. Some are dangerous if you breathe be sure to follow the manufacturer's warnings and instructions. And always open your doors or windows when , too. Don't use any of these unless this manual says you can. In many uses, these will damage - 1998 GMC Envoy | Owner's Manual - Page 293
cleaners, Multi-Purpose Interior Cleaner and Capture Non-Solvent Dry Spot and Soil Remover for cleaning fabric and carpet. They will clean Always read the instructions on the cleaner label. Clean up stains as soon as you can -- before they set. 0 Using Multi-Purpose Interior Cleaner on Fabric - 1998 GMC Envoy | Owner's Manual - Page 294
need to clean your upholstery and carpet often to keep it looking new. Further information on cleaning is available by calling 1-800-433-3296 (in Minnesota, 1-800-642-6 167). 2. If a stain remains, follow the multi-purpose interior cleaner instructions described earlier. 3. If an odor lingers - 1998 GMC Envoy | Owner's Manual - Page 295
the leather dry naturally. Do not use heat to dry. 0 Cleaning Interior Plastic Components Use only a mild soap should be cleaned immediately. If dirt is allowed to work into the finish, it can harm the leather. to see through the windshield under certain conditions. Do not bleach ordye safety belts. - 1998 GMC Envoy | Owner's Manual - Page 296
Part No. 1050427) or a liquid household glass cleaner will remove normal tobacco smoke and dust filmson interior glass. Don't use abrasive cleanerson glass, because they may cause scratches. Avoid placing decals onthe inside rear and clean them as necessary; replace blades that look worn. - 1998 GMC Envoy | Owner's Manual - Page 297
Use lukewarm or cold water, a soft cloth and a liquid hand, dish or car washing (mild detergent) 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 often - 1998 GMC Envoy | Owner's Manual - Page 298
, ice melting agents, road oil and tar, tree sap, bird brushes. These brushes can also damage the surface of these wheels. Cleaning Tires To clean your tires, use a stiff brush repair or replacement, make sure the body repair shop applies anti-corrosion material to the parts repaired or replaced - 1998 GMC Envoy | Owner's Manual - Page 299
Although no defect in the paint job causes this, GMC will repair, at no charge to the owner, the surfaces of new vehicles damaged by this falloutcondition removed, accelerated corrosion (rust) can occur on the underbody parts such as fuel lines, frame, floor pan and exhaust system even though they - 1998 GMC Envoy | Owner's Manual - Page 300
Protectant rubber and vinyl Multi-Purpose Interior Cleans carpets, seats, interior trim, door panels 1052925 16 oz. (0.473 L) Cleaner and floor mats 16 oz. (0.473 L) Wheel Cleaner Spray on and rinse with water 1052929 Capture Dry Spot Remover Attracts, absorbs and removes soils 1052930 8 oz. (0.237 - 1998 GMC Envoy | Owner's Manual - Page 301
It appears on a plate in the front corner of the instrument panel, on the Servicing Your Air Bag-Equipped Vehicle" in the Index. 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 - 1998 GMC Envoy | Owner's Manual - Page 302
fuse. Be sure you replace a bad fuse with a new one of the identical size and rating. If you ever have a problem on the road and don't have a spare fuse,you can borrow one that has the same amperage. Just pick some feature of your vehicle that you can get along without -- like the radio - 1998 GMC Envoy | Owner's Manual - Page 303
instrument panel. Remove the cover turning the fastener to the left. by are Extra fusesand the fuse extractor provided in the cover. To reinstall thefuse panel cover, push in andturn the fastener to the right. Fuse/Circuit Breaker A Usage Not Used Not Used Headlamp Switch,Body Control Module - 1998 GMC Envoy | Owner's Manual - Page 304
Body Control Module, Instrument PanelCluster Interior Lights Not Used Power Outside Mirror, Power Lock Relay FuseKircuit Breaker 13 14 15 16 17 18 19 20 Usage Auxiliary Power Power Locks Motor 4WD Switch, Engine Controls (VCM, PCM, Transmission) Air Bag Front Wiper Not Used Radio Battery Amplifier - 1998 GMC Envoy | Owner's Manual - Page 305
fuse panel cover, push in and turn the fastener to the right. Name TRL TRN TRR TRN TRL BPU VEH B/U RT TURN LT TURN LT TRN Usage Trailer Left Turn Trailer Right Turn Trailer Back-up Lamps Vehicle Back-up Lamps Right Turn Signal Front Left Turn Signal Front Left Turn Signal Rear 6-58 - 1998 GMC Envoy | Owner's Manual - Page 306
I Accessory Feeds, Electric Brake Parking La~nps Left Rear Parking Lamps Starter Solenoid, Fuel Pump. PRNDL Heated Seat Electronic Transfer Case Rear Defogger HVAC System Trailer Center High Mount Stop Light Rear Window Wiper Clutch Switch, NSBU Switch Electronic Load Leveling HID Headlamps Hazard - 1998 GMC Envoy | Owner's Manual - Page 307
Replacement Bulbs Lamps Halogen Headlamps, CompositeHigh Beam Tail and Stoplamps Front Sidemarker Lamps Front Turn Signal Lamps Turn Signal Lamps 3057 Quantity 2 4 195°F (91 "C) Spark Plug Gap ...0.045 inches (0.114 cm) Wheels and Tires Wheel Nut Torque ...100 lb-ft (140 N-m) Tire Pressure ...See - 1998 GMC Envoy | Owner's Manual - Page 308
the part used in your vehicle when it was built, or if you have any questions, please contact your GMC dealer. Thermostat ...1255905 1 Oil Filter ...PF52 Air Cleaner Filter ...A1 163C PCV Valve ...CV746C Automatic Transmission Filter Kit ...24200796 Spark Plugs ...41-932 GF48 1 Fuel Filter ...Front - 1998 GMC Envoy | Owner's Manual - Page 309
air conditioning system in your vehicle needs refrigerant, be sure the proper refrigerant is used. If you're not sure, ask your dealer. Vehicle Dimensions Wheelbase ...107.0 inches (271.8 cm) Length ...183.8 inches (466.9 cm) Height ...64.2 inches (163.1 cm) Width ...67.8 inches (1 72.2 cm) Front - 1998 GMC Envoy | Owner's Manual - Page 310
NOTES 6-63 1 - 1998 GMC Envoy | Owner's Manual - Page 311
fi NOTES 6-64 - 1998 GMC Envoy | Owner's Manual - Page 312
Definition Long Trip/Highway Intervals 7-7 7-27 7-39 7-43 7-45 7-47 Short Trip/City Maintenance Schedule Long Trip/Highway Maintenance Schedule Part B: Owner Checks and Services Part C: Periodic Maintenance Inspections Part D: Recommended Fluids and Lubricants Part E: Maintenance Record 7-1 - 1998 GMC Envoy | Owner's Manual - Page 313
helps to keep your vehicle i n good working condition, but also helps the environment. All ENGINE OIL AT THE PROPER LEVEL AND CHANGE AS RECOMMENDED Protection Plan How This Section is Organized The remainder of this section is divided into five parts: "Part A: Scheduled Maintenance Services - 1998 GMC Envoy | Owner's Manual - Page 314
: tells you what "Part B: Owner Checks and Services" should be checked and when. It also explains what you can easily do t o help keep your \:chicle in good condition. "Part C: Periodic Maintenance Inspections"explains important inspections that YOLK dealer's service department or another qualified - 1998 GMC Envoy | Owner's Manual - Page 315
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 or anyone else drives the vehicle - 1998 GMC Envoy | Owner's Manual - Page 316
). Every 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. Every 100,000 - 1998 GMC Envoy | Owner's Manual - Page 317
Transmission Service (severe conditions only). Every 30,000 Miles (50 000 k ) Fuel Filter m: Replacement. Air Cleaner Filter Replacement. Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions). Every 60,000 Miles (100 km): Engine 000 Accessory Drive Belt Inspection. Fuel - 1998 GMC Envoy | Owner's Manual - Page 318
maintenance be recorded. ## Lubricate the front suspension, ball joints, steering Locking Differential -- Drain fluid and refill at first engine oil change. At subsequent oil changes. check fluid level and add fluid as needed. If driving i n dusty areas or towing a trailer, drain fluid and refill - 1998 GMC Envoy | Owner's Manual - Page 319
fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) I 6,000 Miles (10 000 km) 0 Change engine oiland filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first - 1998 GMC Envoy | Owner's Manual - Page 320
000 km) 0 Change engine oil and filter (orevery 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every months, whichever occurs first). 3 (See footnote#.) 0 Inspect air cleaner filterif you are driving in dusty conditions. Replace filter if necessary - 1998 GMC Envoy | Owner's Manual - Page 321
Maintenance Schedule 15,000 Miles (25 000 kin) (Continued) 0 Check rear/front axle fluid level and add fluid a s needed. Check constant velocity .joints and axle seals for leaking. (See footnote ';"".) 0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or - 1998 GMC Envoy | Owner's Manual - Page 322
joints and axle seals for leaking. (See footnote 0 Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) DATE I ACTUAL MILEAGE I SERVICEDBY I I 27,000 Miles (45 000 km) 17 Change engine oil and filter (or every - 1998 GMC Envoy | Owner's Manual - Page 323
axle seals for leaking. (See footnote **.) Replace fuelfilter. An Emission Control Service. (See footnote?.) Replace air cleaner filter. An Emission Control Service. if 0 Change automatic transmission fluid and filterthe vehicle is mainly driven under oneor more of these conditions: In heavy city - 1998 GMC Envoy | Owner's Manual - Page 324
needed. Check constant add velocity joints and axle seals for leaking. (See footnote **.) DATE I 36,000 Miles (60 000 km) Change engine oil and filter every 3 months, whichever occurs first). (or An Emission Control Service. 0 Lubricate chassis components (or every months, whichever occurs first - 1998 GMC Envoy | Owner's Manual - Page 325
as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 42,000 Miles (70 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See - 1998 GMC Envoy | Owner's Manual - Page 326
and filter every 50,000 miles (83 000 km). Inspect air cleaner filterif you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote?.) 0 Check 48,000 Miles (80 000 km) 0 Change engine oiland filter (or every 3 months, whichever occurs first). An - 1998 GMC Envoy | Owner's Manual - Page 327
andfilter. DATE ACTUAL MILEAGE I I SERVICEDBY: 51,000 Miles (85000 km) 0 Change engine oil and filter every 3 months, whicheveroccurs first). (or MILEAGE An Emission Control Service. Lubricate chassis components every 3 months, whicheveroccurs first). (or (See footnote#.) 0 Check readfront - 1998 GMC Envoy | Owner's Manual - Page 328
additional information. (See footnote +.) I ACTUAL MILEAGE I SERVICEDBY I 57,000 Miles (95 000 km) engine oil and filter (or every3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote#.) 17 Check - 1998 GMC Envoy | Owner's Manual - Page 329
not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km). 0 Inspect engine accessory drive belt. An Emission Control Service. 0 Replace fuel filter. Art Emission Control Service. (See footnote?.) 0 Replace air cleaner filter. An Emission Control - 1998 GMC Envoy | Owner's Manual - Page 330
leaks.Inspect fuel cap gasket for any damage. Replace parts needed. as An Emission Control Service. (See footnote?.) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 63,000 Miles (105 000 km) 0 Change engine oil - 1998 GMC Envoy | Owner's Manual - Page 331
. (See footnote **.) 1 000 km) 5 DATE MILEAGE 72,000 Miles (120 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check readfront axle - 1998 GMC Envoy | Owner's Manual - Page 332
83 000 km). Inspect air cleaner filter you are driving in dusty conditions. if Replace filterif necessary, An Emission Control Service. (See footnote?.) 0 Check readfront axle fluid level and add fluid as needed. Check constant **.) velocity joints andaxle seals for leaking. (See footnote I ACTUAL - 1998 GMC Envoy | Owner's Manual - Page 333
footnote +.) 81,000 Miles (135 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote#.) 17 Check rear/front axle fluid level and add fluid as needed - 1998 GMC Envoy | Owner's Manual - Page 334
velocity joints and axle seals for leaking. (See footnote **.) DATE I ACTUAL MILEAGE I SERVICEDBY I 1 90,000 Miles (150 000 km) 0 Change engine oil and filter (or every3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (orevery 3 months, whichever - 1998 GMC Envoy | Owner's Manual - Page 335
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). 0 Replace fuel filter. An Emission Control Service. (See footnote?.) Replace air cleaner filter - 1998 GMC Envoy | Owner's Manual - Page 336
for leaking. (See footnote **.) 0 Rotate tires. See"Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 99,000 Miles (165 000 km) 0 Change engine oil and filter (or every months, whichever occurs first). 3 An Emission Control Service - 1998 GMC Envoy | Owner's Manual - Page 337
km) 17 Inspect spark plug wires. AFI Emission Control Service. 0 Replace spark plugs. An Emission Control Service. 0 If you haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your autornatic transmission fluid, change both the fluid and filter - 1998 GMC Envoy | Owner's Manual - Page 338
150,000 miles (240 000 km). See "Owner Checksand Services" and "Periodic Maintenance Inspections" following. I ## Lubricate the front suspension, ball joints, steering linkage and transfer case shift linkage, parking brake cable guides, propshaft splines, universal joints and brake pedal springs - 1998 GMC Envoy | Owner's Manual - Page 339
(25 000 km) 0 Change engine oiland filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or for leaking. (See footnote**.) Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - 1998 GMC Envoy | Owner's Manual - Page 340
leaking. (Seefootnote **.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote+.) DATE 30,000 Miles (50 000 km) Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service - 1998 GMC Envoy | Owner's Manual - Page 341
leaking. (See footnote $'*.) Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: information. (See footnote +.) 0 Replace fuel filter. At? Emissiorz CmztroI Service. (See footnote?.) 0 Replace air cleaner filter. An Emission Control - 1998 GMC Envoy | Owner's Manual - Page 342
velocity joints and axle seals for leaking. (See footnote 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) I DATE SERVICED B Y I 45,000 Miles (75 000 km) 0 Change engine oil and filter (or every 12 months - 1998 GMC Envoy | Owner's Manual - Page 343
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 SERVICED BY: I 52,500 Miles (87500 km) 0 Change engine oiland filter (or every 12 months, whichever occurs first). An Emission Control Service - 1998 GMC Envoy | Owner's Manual - Page 344
100 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components ( for leaking.(See footnote 'K*.) 0 Change automatic transmissionfluid and filter if the vehicle is mainly driven under one ormore of these conditions: - 1998 GMC Envoy | Owner's Manual - Page 345
Inspect engine accessory drive belt. An Emission Control Service. 0 Replace fuel filter. An Emission Control Service. (See footnote?.) Replace air cleanerfilter. An Emission Control Service. 0 Inspect fuel tank, cap and lines for damage or leaks.Inspect fuel cap gasket for any damage. Replace parts - 1998 GMC Envoy | Owner's Manual - Page 346
125 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). A H Emissior.1 Control Service. 0 Lubricate chassis components leaking. (See footnote :!:*.) 0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions - 1998 GMC Envoy | Owner's Manual - Page 347
and additional information. (See footnote +.) DATE MILEAGE I 90,000 Miles (150 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (orevery 12 months, whichever occurs first). (See footnote #.) 0 Check - 1998 GMC Envoy | Owner's Manual - Page 348
trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle under anyof these conditions, change jluid the andfilter every 50,000 miles (83 000 krn). 0 Replace fuel filter. An Emission Control Service. (See footnote?.) 0 Replace air cleaner filter - 1998 GMC Envoy | Owner's Manual - Page 349
Inspect spark plug wires. An Emission Control Service. 0 Replace spark plugs. APIEmission Control Service. 0 If you haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. Inspect - 1998 GMC Envoy | Owner's Manual - Page 350
Part B: Owner Checks an - Services Listed below are owner checks and services which should be performed at the intervals specified to help ensure the safety, dependability and emission control performance of your vehicle. Be sure any necessary repairs are completedat once. Whenever any fluids or - 1998 GMC Envoy | Owner's Manual - Page 351
loss may indicate a problem. Check the system and repair if needed. At Least Once a Year Key Lock CylindersService Lubricate the key lock cylinders with the lubricant specified in Part D. Body Lubrication Service Lubricate all body door and fuel door hinges, rear compartment hinges, latches and - 1998 GMC Envoy | Owner's Manual - Page 352
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 NEUTRAL (N). If the starter works in any other position, your vehicle needs service. NOTE: Be ready to apply the regular brake - 1998 GMC Envoy | Owner's Manual - Page 353
Automatic Transmission PARK (P) Mechanism Check To check the parking brake's holding ability: With the engine running and transmission 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 - 1998 GMC Envoy | Owner's Manual - Page 354
all pipes, fittings and clamps; replace as needed. Clean the outside of the radiator and air conditioning condenser. To help ensure proper operation, a pressure test of the cooling system and pressure cap is recommended at least once a year. Steering, Suspension and Front Drive Axle Boot and Seal - 1998 GMC Envoy | Owner's Manual - Page 355
or missing parts. Replace parts as needed. Replace any components that have high effort or excessive wear. Do not lubricate accelerator and cruise control cables. Transfer Case (Four-wheel Drive) Inspection Every 12 months or at oil change intervals, check front axle and transfer case and add - 1998 GMC Envoy | Owner's Manual - Page 356
" symbol of the proper viscosity. To determine thepreferred viscosity for your vehicle's engine, see "Engine Oil" in the Index. Power Steering System Automatic Transmission Key Lock Cylinders Chassis Lubrication Engine Coolant 50/50 mixture of clean water (preferably distilled) and use only GM - 1998 GMC Envoy | Owner's Manual - Page 357
USAGE Transfer Case Windshield Washer Solvent Rear Driveline Center Spline and Universal Joints Constant Velocity Universal Joint FLUIDLUBRICANT DEXRON@-I11Automatic Transmission Fluid. GM Optikleen@Washer Solvent (GM Part No. 105lSlS) or equivalent. Chassis Lubricant (GM Part No. 12377985 or - 1998 GMC Envoy | Owner's Manual - Page 358
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 on the - 1998 GMC Envoy | Owner's Manual - Page 359
Maintenance Record DATE ODOMETER SERVICED READING ERVICED BY PERFORMED MAINTENANCE 7-48 - 1998 GMC Envoy | Owner's Manual - Page 360
Information Here you will find out how to contact GMC need assistance.This section also tells you how to obtain service if you publications and how to report any safety defects. 8-2 8-4 Customer Satisfaction Procedure Customer Assistance for Text Telephone (TTY) Users Roadside Assistance Canadian - 1998 GMC Envoy | Owner's Manual - Page 361
Customer Satisfaction Procedure GMC dealers have the facilities, trained technicians an up-to-date information can If be quickly resolved at that level.the matter has already been reviewed with the sales, service or parts of manager, contact the owner the dealership or the general manager. - 1998 GMC Envoy | Owner's Manual - Page 362
concern cannot be resolved by the dealership without further help, contact the GMC Consumer Relations Manager by calling 1-800-GMC-8782 (1-800-462-8782, Customer Assistance prompt.) In Canada, contact GM of Canada Customer Communication Centre in Oshawa by calling 1-800-263-3777 (English) or 1-800 - 1998 GMC Envoy | Owner's Manual - Page 363
Owner Assistance Information booklet for addressesof GM Overseas offices. available to give the Customer GMC GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with GMC by dialing: 1-800-GMC write GMC, address your inquiry to: Pontiac-GMC Customer Assistance - 1998 GMC Envoy | Owner's Manual - Page 364
Delivery of the replacement key will be covered at no charge within 10 miles (16 km). Emergency Towing Service: Towing to the nearest GMC dealer for warranty related disablements will be covered. GMC's Roadside Assistanceprovides stranded owners with over-the-phone roadside repairs, location of the - 1998 GMC Envoy | Owner's Manual - Page 365
lease customers operating 1998 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 - 1998 GMC Envoy | Owner's Manual - Page 366
and color of your GMC truck 0 Mileage of vehicle and description of problem Roadside Assistance is available 24 GMC Roadside Assistance Center or contact your dealer. Roadside Assistance is not part o or included in th.e f coverage provided by the New Vehicle Limited Warranty. GMC services. 8-7 - 1998 GMC Envoy | Owner's Manual - Page 367
customers when obtaining warranty service. This program is offered in conjunction with the 3 year/36,000 mile (60 000 km) Bumper to Bumper New Vehicle Limited Warranty. Courtesy transportation includes: 0 All Courtesy Transportation arrangements will be administered by your GMC dealership service - 1998 GMC Envoy | Owner's Manual - Page 368
Alternative Dispute Resolution Program This program is available in all 50 states and the District of Columbia. Canadian owners refer your to Warranty and Owner Assistance Information booklet for If you are not satisfied after followingthe Customer repairs disagreements, GMC voluntarily - 1998 GMC Envoy | Owner's Manual - Page 369
hearing will be scheduled where eligible customers may present their case to an impartial third-party may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your -5 100 or the GMC Customer Assistance Center at 1-800-GMC-8782 (1-800-462-8782 - 1998 GMC Envoy | Owner's Manual - Page 370
Customer Conmunication Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1 H 8P7 Ordering Service and Owner Publications in Canada Service manuals, owner's manuals and other service at 1-800-GMC-8'?82 ( 1-800-462-8782) or write: Pontiac-GMC CustomerAssistance Center P.O. Box 436008 Pontiac, MI - 1998 GMC Envoy | Owner's Manual - Page 371
1998 GMC SERVICE MANUALS Service Manuals havethe 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 on unit repair - 1998 GMC Envoy | Owner's Manual - Page 372
PUBLICATION FORM ITEM DESCRIPTION Manual Sewice Car & Light Truck Transmission Unit Repair Owner's Manual In Portfolio Owner's Manual Without Portfolio MODEL VEHICLE NAME PRICE ' I I I YEAR I 1998 I I QTY. TOTAL PRICE EACH* NUMBER I $90.00 $40.00 I 1998 $1 1998 $1 1998 5.00 0.00 NOTE - 1998 GMC Envoy | Owner's Manual - Page 373
fi NOTES 8-14 - 1998 GMC Envoy | Owner's Manual - Page 374
Systems ...3-8. Automatic Headlamp System ...Automatic Transmission Check ...Fluid ...Operation ...Park Mechanism Check ...Shiftin ...Starting Your Engine ...Axle Front ...Rear ...2-49 3-12 2-37 7-40 6-15 2-18 7-42 2-18 2-15 6-21 6-19 Backglass Wiper. Blade Replacement ...6-36 Battery ...6-30 - 1998 GMC Envoy | Owner's Manual - Page 375
Master Cylinder ...PedalTravel ...6-30 Replacing System Parts ...6-30 4-47 Trailer ...Wear ...6-29 Brake-Transmission Shift Interlock Check ...7-41 Braking ...4-6 Braking in Emergencies ...4-9 Break-In, New Vehicle ...2- 13 Brightness Control ...2-39 7-41 BTSICheck ...Bulb Replacement ...6-3 1, 6-60 - 1998 GMC Envoy | Owner's Manual - Page 376
...4-36 4-48 With a Trailer ...Driving On Grades While Towing a Trailer ...4-50 Drunken Driving ...4-3 Electrical Equipment. Adding ...3.24. Electrical System ...Electrochomic Inside Day/Night Rearview Mirror ...Electronic Level Control ...Engine ...Coolant Heater ...Coolant Level Check ...Coolant - 1998 GMC Envoy | Owner's Manual - Page 377
...2-38 Foreign Countries. Fuel ...6-5 Four-wheel Drive ...2-26. 6-20 .. French Language Manual ...11 FrontAxle ...6-21 Front Reading Lamps ...2.39. 2.43 Front Storage Area ...2-45 5-9 FrontTowing ...Front Turn Signal Lamp Bulb Replacement ...6-33 Fuel ...6-3 6-7 Filling a Portable Container - 1998 GMC Envoy | Owner's Manual - Page 378
Rating ...4-40 .. Guide en Franpis ...11 GVWR ...4-40 6-32 Halogen Bulbs ...Hazard Warning Flashers ...5-2 Head Restraints ...1-5 Headlamps ...2-36 Bulb Replacement ...6-32 HighLow Beam Changer ...2-3 1 On Reminder ...2-37 Hearing Impaired. Customer Assistance ...8-4 Heated Front Seats ...1-3 Heated - 1998 GMC Envoy | Owner's Manual - Page 379
36 Dome ...2-39 Exterior ...2-36 Front Reading ...2.39.2.43 Interior ...2-39 OnReminder ...2-37 Leaving Your Vehicle ...2-6 Leaving Your Vehicle with the Engine Running ...2-22 Liftgate ...2-9 2- 1 0 Manual Release ...Remote Release ...2- 10 Lighter ...2-49 Lights AirBagReadiness ...1-22, 2-63 Anti - 1998 GMC Envoy | Owner's Manual - Page 380
13 NewVehicle "Break-In" ...4-27 Nightvision ...Normal Maintenance Replacement Parts ...6-6 1 Odometer ...2-6 1 Off-Road Driving ...4- 15 Off-Road Recovery ...4- I 1 Oil. Engine ...6-10 OnStar System ...2-57 Ordering Owner and Service Publications ...8- I 1, 8- 12 Outside Mirror Power Remote Control - 1998 GMC Envoy | Owner's Manual - Page 381
- 1998 GMC Envoy | Owner's Manual - Page 382
19 Security Warning Light ...2-70 Service 4WD Light ...2-7 I Service and Appearance Care ...6- I Service and Owner Publications ...8- 1 1. 8- 12 Service Engine Soon Light ...2-67 Service Parts Identificatmn Label ...6-54 Service Work, Doing Your Own ...6-2 Servicing Your Air Bag-Equipped Vehicle - 1998 GMC Envoy | Owner's Manual - Page 383
...2-31 Turn Signals When Towing a Trailer ...4-49 Underbody Flushing ...7-42 Underbody Maintenance ...6-52 Universal Transmitter ...2-53 Accessories ...Erasing Channels ..., ...2-57 Operation 2-55 Programming ...2 - 5 4 Rolling Code Openers ...2-56 Used Replacement Wheels ...6-44 Vehicle Control - 1998 GMC Envoy | Owner's Manual - Page 384
...6-43 Wheel Nut Torque ...5-29, 6-60 Wheel Replacement ...6-43 Windows Express-Down ...2-29 Lockout Switch ...2-29 Power ...2-28 Windshield Washer ...2-32 Fluid ...6-26 FluidLevelCheck ...7-39 Windshield Wiper ...Bladecheck ...Blade Replace~nent ... 2-32 7-40 6-34 Fuses ...4-55 Rear ...2-33 - 1998 GMC Envoy | Owner's Manual - Page 385
Service Station Checkpoints ENGINE COOLANT RECOVERY TANK P6-21 TIRES P6-36 7 P6-30 / ENGINE OIL DIPSTICK P6-10 WINDSHIELD WASHER FLUID P6-26 HOOD RELEASE P6-8 FUEL DOOR P6-5 For detailed information, refer to the page number listed, or see the index in the back of the owner's manual. 9-12 - 1998 GMC Envoy | Owner's Manual - Page 386