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2003 GMC Envoy Owner's Manual - Page 328

2003 GMC Envoy Manual

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How to Add Coolant to the Radiator pressure cap. 1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise about one full turn. If you hear a hiss, wait for that to stop. A hiss means there is still some pressure left. 5-33

Section	Page
Table of Contents	2
Seats and Restraint Systems	8
Front Seats	9
Power Seats	9
Power Lumbar	9
Heated Seats	10
Power Reclining Seatbacks	11
Head Restraints	12
Rear Seats	13
Rear Seat Operation	13
Safety Belts	16
Safety Belts: They Are for Everyone	16
Questions and Answers About Safety Belts	20
How to Wear Safety Belts Properly	21
Driver Position	21
Safety Belt Use During Pregnancy	29
Right Front Passenger Position	29
Rear Seat Passengers	30
Rear Safety Belt Comfort Guides for Children and Small Adults	33
Safety Belt Extender	36
Child Restraints	37
Older Children	37
Infants and Young Children	39
Child Restraint Systems	43
Where to Put the Restraint	46
Top Strap	47
Top Strap Anchor Location	48
Lower Anchorages and Top Tethers for Children (LATCH System)	49
Securing a Child Restraint Designed for the LATCH System	51
Securing a Child Restraint in a Rear Outside Seat Position	51
Securing a Child Restraint in the Right Front Seat Position	54
Center Seat Position	56
Air Bag Systems	57
Where Are the Air Bags?	60
When Should an Air Bag Inflate?	62
What Makes an Air Bag Inflate?	63
How Does an Air Bag Restrain?	63
What Will You See After an Air Bag Inflates?	64
Servicing Your Air Bag-Equipped Vehicle	66
Restraint System Check	67
Checking Your Restraint Systems	67
Replacing Restraint System Parts After a Crash	68
Features and Controls	70
Keys	72
Remote Keyless Entry System	74
Remote Keyless Entry System Operation	75
Doors and Locks	77
Door Locks	77
Power Door Locks	78
Delayed Locking	78
Programmable Automatic Door Locks	79
Rear Door Security Locks	81
Lockout Protection	81
Leaving Your Vehicle	81
Liftgate/Liftglass	82
Windows	83
Power Windows	84
Sun Visors	85
Theft-Deterrent Systems	86
Content Theft-Deterrent	86
Passlock	87
Starting and Operating Your Vehicle	88
New Vehicle Break-In	88
Ignition Positions	88
Starting Your Engine	90
Engine Coolant Heater	91
Automatic Transmission Operation	92
Four-Wheel Drive	95
Parking Brake	98
Shifting Into Park (P)	99
Shifting Out of Park (P)	101
Parking Over Things That Burn	101
Engine Exhaust	102
Running Your Engine While You Are Parked	102
Mirrors	104
Automatic Dimming Rearview Mirror with OnStar and Compass	104
Outside Manual Mirrors	106
Outside Power Mirrors	106
Outside Convex Mirror	107
Outside Heated Mirrors	107
Outside Automatic Dimming Mirror with Curb View Assist	108
OnStar System	109
HomeLink Transmitter	111
Programming the HomeLink Transmitter	111
Storage Areas	115
Glove Box	115
Overhead Console	115
Front Storage Area	116
Luggage Carrier	119
Rear Floor Storage Lid	120
Convenience Net	120
Cargo Cover	121
Sunroof	122
Vehicle Personalization	123
Memory Seat	123
Instrument Panel	126
Instrument Panel Overview	129
Hazard Warning Flashers	130
Other Warning Devices	131
Horn	131
Tilt Wheel	131
Turn Signal/Multifunction Lever	132
Exterior Lamps	139
Interior Lamps	141
Accessory Power Outlets	144
Ashtrays and Cigarette Lighter	144
Climate Controls	145
Dual Climate Control System	145
Dual Automatic Climate Control System	148
Rear Climate Control System	153
Steering Wheel Climate Controls	157
Climate Controls Personalization	157
Warning Lights, Gages and Indicators	158
Instrument Panel Cluster	159
Speedometer and Odometer	160
Tachometer	160
Safety Belt Reminder Light	161
Air Bag Readiness Light	161
Charging System Light	162
Voltmeter Gage	163
Brake System Warning Light	164
Anti-Lock Brake System Warning Light	165
Engine Coolant Temperature Gage	165
Malfunction Indicator Lamp	166
Oil Pressure Gage	169
Change Engine Oil Light	170
Security Light	170
Cruise Control Light	171
Reduced Engine Power Light	171
Service Four-Wheel Drive Warning Light	172
Check Gages Warning Light	172
Gate Ajar Light	173
Fuel Gage	173
Low Fuel Warning Light	174
Driver Information Center (DIC)	175
DIC Operation and Displays	175
DIC Warnings and Messages	185
Audio System(s)	188
Setting the Time	188
Radio with CD	189
Radio with Cassette and CD	196
Radio with Six-Disc CD	206
Rear Seat Entertainment System	217
Rear Seat Audio (RSA)	229
Radio Personalization	230
Theft-Deterrent Feature (RDS Radios)	230
Audio Steering Wheel Controls	231
DVD Distortion	231
Understanding Radio Reception	231
Care of Your Cassette Tape Player	232
Care of Your CDs and DVDs	233
Care of Your CD and DVD Player	233
Cleaning the Video Screen	233
Fixed Mast Antenna	233
Chime Level Adjustment	233
Driving Your Vehicle	234
Your Driving, the Road, and Your Vehicle	235
Defensive Driving	235
Drunken Driving	235
Control of a Vehicle	238
Braking	238
Traction Assist System (TAS)	241
Locking Rear Axle	243
Steering	243
Off-Road Recovery	245
Passing	245
Loss of Control	247
Off-Road Driving with Your Four-Wheel-Drive Vehicle	248
Driving at Night	261
Driving in Rain and on Wet Roads	263
City Driving	266
Freeway Driving	267
Before Leaving on a Long Trip	268
Highway Hypnosis	269
Hill and Mountain Roads	270
Winter Driving	272
If You Are Stuck: In Sand, Mud, Ice or Snow	277
Towing	278
Towing Your Vehicle	278
Recreational Vehicle Towing	278
Loading Your Vehicle	281
Adding a Snow Plow or Similar Equipment	284
Towing a Trailer	285
Service and Appearance Care	296
Service	298
Doing Your Own Service Work	299
Adding Equipment to the Outside of Your Vehicle	299
Fuel	300
Gasoline Octane	300
Gasoline Specifications	300
California Fuel	301
Additives	301
Fuels in Foreign Countries	302
Filling Your Tank	302
Filling a Portable Fuel Container	304
Checking Things Under the Hood	305
Hood Release	305
Engine Compartment Overview	307
Engine Oil	310
Engine Air Cleaner/Filter	315
Automatic Transmission Fluid	316
Engine Coolant	319
Radiator Pressure Cap	321
Engine Overheating	322
Cooling System	324
Engine Fan Noise	330
Power Steering Fluid	331
Windshield Washer Fluid	332
Brakes	333
Battery	336
Jump Starting	337
Rear Axle	343
Four-Wheel Drive	344
Bulb Replacement	346
Halogen Bulbs	346
Headlamps	346
Front Turn Signal and Sidemarker Lamps	346
Taillamps and Turn Signal Lamps	346
Replacement Bulbs	347
Windshield Wiper Blade Replacement	348
Tires	351
Inflation -- Tire Pressure	352
Tire Inspection and Rotation	353
When It Is Time for New Tires	354
Buying New Tires	355
Uniform Tire Quality Grading	356
Wheel Alignment and Tire Balance	357
Wheel Replacement	357
Tire Chains	359
Accessory Inflator	359
If a Tire Goes Flat	361
Changing a Flat Tire	361
Appearance Care	377
Cleaning the Inside of Your Vehicle	377
Care of Safety Belts	380
Weatherstrips	380
Cleaning the Outside of Your Vehicle	380
Sheet Metal Damage	382
Finish Damage	383
Underbody Maintenance	383
Chemical Paint Spotting	383
GM Vehicle Care/Appearance Materials	383
Vehicle Identification	385
Vehicle Identification Number (VIN)	385
Service Parts Identification Label	385
Electrical System	386
Add-On Electrical Equipment	386
Headlamps	386
Windshield Wiper Fuses	386
Power Windows and Other Power Options	387
Fuses and Circuit Breakers	387
Capacities and Specifications	399
Normal Maintenance Replacement Parts	401
Maintenance Schedule	402
Maintenance Schedule	403
Introduction	403
Your Vehicle and the Environment	403
Maintenance Requirements	403
How This Section is Organized	404
Part A: Scheduled Maintenance Services	405
Using Your Maintenance Schedule	405
Scheduled Maintenance	406
Part B: Owner Checks and Services	411
At Each Fuel Fill	411
At Least Once a Month	411
At Least Twice a Year	412
At Least Once a Year	413
Part C: Periodic Maintenance Inspections	416
Steering, Suspension and Front Drive Axle Boot and Seal Inspection	416
Exhaust System Inspection	416
Fuel System Inspection	416
Engine Cooling System Inspection	417
Transfer Case and Front Axle (Four-Wheel Drive) Inspection	417
Brake System Inspection	417
Part D: Recommended Fluids and Lubricants	418
Part E: Maintenance Record	420
Customer Assistance Information	424
Customer Assistance Information	425
Customer Satisfaction Procedure	425
Online Owner Center	426
Customer Assistance for Text Telephone (TTY) Users	427
Customer Assistance Offices	427
GM Mobility Program for Persons with Disabilities	428
Roadside Assistance Program	428
Courtesy Transportation	430
Reporting Safety Defects	432
Reporting Safety Defects to the United States Government	432
Reporting Safety Defects to the Canadian Government	432
Reporting Safety Defects to General Motors	433
Service Publications Ordering Information	433

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