. a The 1998 GMC Envoy Owner's Manual 1-1 2- 1 Seats and Restraint Systems This section tells you how to use your seats and safe.ty belts properly. It also explains the "SIR" system. Features and Controls This section explains how to start and operate your vehicle. 3- 1 4- 1 5- 1 Comfort Controls and Audio Systems This section tells you how to adjust the ventilation and comf`orr controls and how to operate your audio system. Your Driving and the Road Here you'll find helpful information 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 properly and looking good. 7-1 8- 1 Maintenance Schedule This section tells you when to perform vehicle maintenance and what fluids and lubricants to use. Customer Assistance Information This section tells you how to contact GMC for assistance and how to get service and owner publications. It also gives you information on "Reporting Safety Defects" on page 8- 1 0 . 9-1 Index Heree`s alphabetical listing o f almost every subject in this manual. You can use it to quickly find an something you want to read. i We support voluntary technician certification. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION THROUGH GENERAL MOTORS, GM, the GM Emblem, GMC, the GMC Emblem are registered tradernarks and the name ENVOY is a trademark of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes in the product after that time without further notice. For vehicles first sold in Canada, substitute the name `General Motors of Canada Limited" for GMC whenever it appears in this manual. Please keep this manual in your vehicle, so it will be there if you ever need it when you're on the road. If you sell the vehicle, please leave this manual in it so the new owner can use it. Natlonal 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 L5T 1B9 Litho in U.S.A. S98 I I A First Edition 0 Copyright General Motors Corporation 1997 All Rights Reserved ii About DrivingYour Vehicle As with other vehicles of this type, failure to operate this vehicle correctly may result in loss of control or an accident. Be sure toread the "on-pavement" and "off-road" driving guidelines in this manual. (See "Driving Guidelines" and "Off-Road Driving with Your Four-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 from beginning to end when they first receive their new vehicle. If you do this, it will help you learn about the featuresand controls for yourvehicle. In this manual, you'll find that pictures and words work together to explain things quickly. These ..lean there is something thatcould hurt you or other people. In the caution area, we tell you what the hazard is. Then we tell you what to do to help avoid or reduce the hazard. Please read these cautions. If you don't, you or others could be hurt. Index A good place to look for what you need is the Index in back of the manual. It'san alphabetical list of what's in the manual, and the page number where you'll find it. iii You will also find a circle with a slash through it in this book. This safety symbol means "Don't," "Don't do this'` or `&Don't let this happen." I n the notice area, we tell you about something that can damage your vehicle. Many times, this damage would not be covered by your warranty, and it could be costly. But the notice will tell you what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors OIin different words. You'll also see warning labels on your vehicle. They use the same words, CAUTION or NOTICE. Vehicle Damage Warnings Also, in this book you will find these notices: NOTICE: L iv These mean there something thatcould is damage your vehicle. 1 Vehicle Symbols These are some of the symbols you tnay find o n your vehicle. For example. these symbols are used on a n original battery: CAUTION POSSIBLE INJURY PROTECT EYES BY SHIELDING CAUSTIC BATTERY ACID COULD CAUSE BURNS AVOID SPARKS OR FLAMES SPARK OR FLAME COULD EXPLODE BATTERY A These symbols are important for you and your passenpel-s whenever your vehicle is driven: Here are some other symbols you may see: WINDSHIELD WIPER COOLANT TEMP DOOR LOCK UNLOCK TURN 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 Model Reference This manual covers this model: Four-Door Utility vi Section 1 Seats and Restraint Systems Here you'll find information aboutthe seats in your vehicle and how to use your safety belts properly. You can also learn about some things you should nut do with air bags and safety belts. 1-2 1-7 1-11 1-12 1-12 1-19 1-20 1-20 1-28 Seats and Seat Controls Safety Belts: They're for Everyone Here Are Questions Many People Ask About Safety Belts -- and the Answers How to Wear Safety Belts Properly Driver Position Safety Belt Use During Pregnancy Right Front Passenger Position Supplemental Inflatable Restraint (SIR) System 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 After a Crash 1-1 Seats and Seat 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 the seat with your body to make sure the seat is locked into place. Horizontal Control: Raise the front of the seat by raising the forward edge of the button. Lower the front of the seat by lowering the forward edge of the button. Move the seat forward by moving the whole button toward the front of the vehicle. Raise the rear of the seat by raising the rear edgeof the button. Lower the rear of the seat by lowering the rear edge of the button. Move the seat rearward by moving the whole button toward the rear of the vehicle. 1-2 Moving the whole button up or down raises or lowers the whole seat. Heated Front Seats This control is located on the side of the seat. This feature will quickly heat the lower cushion and lower back of the driver and front passenger seats for added comfort. Vertical Control: Move the reclining front seatback rearward by moving the button toward the rear of the vehicle. Move the seatback forward by moving the button toward the front of the vehicle. Power Lumbar Control This control is located on the side of the seat facing the door. Press the lower part of the switch to turn the heater on low. Press the upper part of the switch to turn the heater on high. Put the switch in the center position to turn the heater off. The 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 of the control. 1-3 ~ 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 on the lever and the seat will go to an upright position. But don't have a seatback reclined if your vehicle is moving. 1-4 A CAUTION: Sitting ina reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts can't do 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 up over your abdomen. The belt forces would be there, not at your pelvic bones. This could cause serious internal injuries. For proper protection when the vehicle isin motion, have the seatback upright. Then sit well back in the seat wear your safety and belt properly. Head Restraints Slide the head restraint up or down so that the topof the restraint is closest to the top your ears. This position of reduces the chance ofa neck injury in a crash. The head restraints tilt forward and rearward also. 1-5 Rear Seats Your vehicle has a folding rear seat which lets you fold the seatbacks down formore cargo space. To return the head restraints to the upright position, reach behind the seats and pull the head restraint up until it locks into position. The rear seat release handles are onthe rear of the seatbacks. Push back on the seatbacks as you pull up on the handles. The head restraint will automatically fold out of the way when the seatback is folded down. To raise theseatbacks, just lift up the seatbacks and push until they lock in the upright position. Push and pull on the seatbacks to check that the latches have locked in the upright position. If they haven't, have them fixed immediately. 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 so or that the topof the head restraint is closest to the top of and your ears. After releasing the button, push pull on the head restraint to make sure it's locked place. in 1-6 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 cargo area, inside or outside of a vehicle. In a collision, people riding in these areas aremore likely to be seriously injured or killed. Do not allow peopleto ride in any area of your vehicle that is not equipped with seats andsafety belts. Be sure everyone in your vehicle is in a seat and using a safety belt properly. A CAUTION: Don't let anyone ride where he or she can't wear a safety belt properly. If you are in a crash and you're not wearing a safety belt, your injuries can be much worse. You can hit thingsinside the vehicle or be ejected from it. You can be seriously injured or killed. In the same crash, you might not be if you are buckled up. Alwaysfasten your safety belt, and check that your passengers' belts are fastened properly too. ,I 1-7 1 Your vehicle has a light that comes on as a reminder to buckle up. (See "Safety Belt Reminder Light" in the Index.) Why Safety Belts Work When you ride in or on anything, you go as fast as it goes. In most states and Canadian provinces, the law says to wear safety belts. Here's why: They work. You never know if you'll be in a crash. If you do have a crash, you don't know if it will be a bad one. A few crashes are mild, and some crashes can be so serious that even buckled up a person wouldn't survive. But most crashes are in between. In many of them, people who buckle up can survive and sometimes walk away. Without belts they could have been badly hurt or killed. After more than 30 years of safety belts in vehicles, the facts are clear. In most crashes buckling up does matter ... a lot! I Take the simplest vehicle. Suppose it's just a seat on wheels. 1-8 " ...... _.U.... ............ ........................ . . ~" -- Put someone on it. Get it up to speed. Then stop the vehicle. The rider doesn't stop. 1-9 The person keeps going until stopped by something. In a real vehicle, it could be the windshield or the instrument panel ... ... Here Are Questions Many People Ask About Safety Belts-- and the Answers &.. Won't I be trapped in the vehicle afteran accident if I'm wearing a safety belt? A: You ctxrld be -- whether you're wearing a safety belt or not. But you can unbuckle a safety belt, even if you're upside down. And your chance of being conscious during and ...