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2002 GMC Envoy Owner's Manual - Page 270

2002 GMC Envoy Manual

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4. Shift the transfer case to NEUTRAL (N). See "Four-Wheel Drive" in the Index for the proper procedure to select the NEUTRAL position for your vehicle. 5. Release the parking brake only after the vehicle being towed is firmly attached to the towing vehicle. 6. Turn the ignition off. This unlocks the steering column and reduces battery drain as long as the Ignition A and Ignition B fuses are removed. Unlocking the steering column will allow the proper movement of the front wheels and tires during towing. Dolly Towing Your vehicle was not designed to be dolly towed. If you need to tow your vehicle see "Dinghy Towing" earlier in this section. CAUTION: Shifting a four-wheel-drive vehicle's transfer case into NEUTRAL can cause your vehicle to roll even if the transmission is in PARK (P). You or others could be injured. Make sure the parking brake is firmly set before you shift the transfer case into NEUTRAL. CAUTION: Shifting a four-wheel-drive vehicle's transfer case into NEUTRAL can cause your vehicle to roll even if the transmission is in Park (P). You or others could be injured. Make sure the parking brake is firmly set before you shift the transfer case to NEUTRAL. 4-46

Section	Page
2002 GMC Envoy Owner's Manual	1
	24
Here Are Questions Many People Ask About Safety Belts -- and the Answers	24
How to Wear Safety Belts Properly	25
Adults	25
Driver Position	26
Lap-Shoulder Belt	26
Safety Belt Use During Pregnancy	32
Right Front Passenger Position	33
Air Bag Systems	33
How the Air Bag Systems Work	35
Where are the air bags?	35
When should an air bag inflate?	38
What makes an air bag inflate?	39
How does an air bag restrain?	39
What will you see after an air bag inflates?	40
Servicing Your Air Bag-Equipped Vehicle	42
Rear Seat Passengers	42
Rear Seat Passenger Positions	42
Lap-Shoulder Belt	43
Rear Safety Belt Comfort Guides for Children and Small Adults	45
Children	47
Infants and Young Children	47
Restraint Systems for Children	51
Where to Put the Restraint	54
Top Strap	55
Lower Anchorages and Top Tethers for Children (LATCH System)	56
Securing a Child Restraint Designed for the LATCH System	59
Securing a Child Restraint in a Rear Outside Seat Position	59
Center Seat Position	62
Securing a Child Restraint in the Right Front Seat Position	62
Older Children	66
Safety Belt Extender	69
Checking Your Restraint Systems	69
Replacing Restraint System Parts After a Crash	69
Section 2 Features and Controls	70
Windows	71
Power Windows	72
Express- Down Window	72
Lockout Switch	72
Keys	73
Door Locks	75
Power Door Locks	76
Programmable Automatic Door Locks	76
Programmable Locking Feature	76
Programmable Unlocking Feature	77
Rear Door Security Locks	78
Lockout Prevention	79
Leaving Your Vehicle	79
Remote Keyless Entry System	79
Operation	80
Matching Transmitter(s) to Your Vehicle	81
Battery Replacement	81
Liftgate/Liftglass	82
Liftgate Release	83
Emergency Release for Opening Liftgate	83
Theft	83
Key in the Ignition	83
Parking at Night	83
Parking Lots	84
Content Theft-Deterrent (If Equipped)	84
Testing the Alarm	85
Passlock	86
New Vehicle Break-In	87
Ignition Positions	87
Retained Accessory Power (RAP)	88
Starting Your Engine	89
Engine Coolant Heater (If Equipped)	91
To Use the Engine Coolant Heater	91
Automatic Transmission Operation	92
Shift Lock Release	95
Four-Wheel Drive (If Equipped)	95
Automatic Transfer Case (If Equipped)	96
Shifting to 4HI or A4WD	98
Shifting to 2HI	98
Shifting to 4LO	98
Shifting Out of 4LO	98
Shifting to NEUTRAL	99
Shifting Out of NEUTRAL	99
Parking Brake	100
Shifting Into PARK (P)	101
Leaving Your Vehicle With the Engine Running	102
Torque Lock	103
Shifting Out of PARK (P)	103
Parking Over Things That Burn	104
Engine Exhaust	104
Running Your Engine While You re Parked	105
Locking Rear Axle	106
Horn	106
Tilt Wheel	106
Turn Signal/Multifunction Lever	107
Turn and Lane Change Signals	107
Turn Signal On Chime	108
Headlamp High/Low-Beam Changer	108
Flash-to-Pass Feature	109
Windshield Wipers	109
Rainsense__ Wipers (If Equipped)	110
Windshield Washer	110
Rear Window Washer/Wiper	111
Headlamp Washer (If Equipped)	111
Cruise Control	112
Setting Cruise Control	113
Resuming a Set Speed	113
Increasing Speed While Using Cruise Control	114
Reducing Speed While Using Cruise Control	114
Passing Another Vehicle While Using Cruise Control	114
Using Cruise Control on Hills	114
Ending Cruise Control	114
Erasing Speed Memory	114
Exterior Lamps	115
Automatic Headlamp System	115
Lamps On Reminder	116
Daytime Running Lamps	116
Fog Lamps	117
Interior Lamps	118
Brightness Control	118
Dome Lamp Override	118
Illuminated Entry	119
Exit Lighting	119
Reading Lamps	119
Dome Lamps	119
Battery Run-Down Protection	120
Mirrors	120
Electrochromic Day/Night Rearview Mirror with Compass and OnStar (If Equipped)	120
Automatic Dimming Feature	121
Compass Operation	121
Compass Calibration	121
Compass Variance	121
Electrochromic Day/Night Rearview Mirror with Compass, Temperature and OnStar	122
Automatic Dimming Feature	123
Temperature Display	123
Compass Operation	123
Compass Calibration	123
Compass Variance	124
Outside Mirrors	125
Power Remote Control Mirrors	125
Convex Outside Mirror	126
Heated Outside Rearview Mirrors	126
Electrochromic Rearview Outside Mirror with Curb View Assist (If Equipped)	126
Storage Compartments	127
Glove Box	127
Overhead Console	127
Sunglasses Storage Compartment	127
Travel Note Recorder (If Equipped)	127
Door Storage	128
Front Storage Area	128
Convenience Net (If Equipped)	128
Cargo Security Shade (If Equipped)	129
Cargo Tie Downs	129
Rear Floor Stowage Lid	130
Luggage Carrier	130
Ashtrays and Cigarette Lighter	131
Sun Visors	132
Illuminated Visor Vanity Mirror	132
Accessory Inflator (If Equipped)	132
Accessory Power Outlets	134
OnStar System (If Equipped)	135
Safety and Security Services	136
Premium Services (Includes Safety and Security Services)	137
OnStar System Limitations	137
Sunroof (Option)	137
HomeLink Transmitter	138
Programming the HomeLink Transmitter	138
Training a Garage Door Opener with a Rolling Code Feature (If Equipped)	139
Canadian Programming	140
Operating the HomeLink Transmitter	140
Erasing Channels	140
Resetting Defaults	140
Accessories	140
The Instrument Panel -- Your Information System	141
Instrument Panel Cluster	143
Speedometer and Odometer	144
Trip Odometer	144
Tachometer	144
Warning Lights, Gages and Indicators	144
Safety Belt Reminder Light	145
Air Bag Readiness Light	146
Charging System Indicator Light	147
Voltmeter Gage	147
Brake System Warning Light	148
Anti-Lock Brake System Warning Light	150
Engine Coolant Temperature Gage	150
Malfunction Indicator Lamp (Service Engine Soon Light in the United States or Check Engine Light in Canada)	151
If the Light Is Flashing	153
If the Light Is On Steady	153
Emissions Inspection and Maintenance Programs	154
Oil Pressure Gage	155
Change Engine Oil Light	156
Security Light	156
Cruise Control Light	157
Reduced Engine Power	157
Service Four-Wheel-Drive Warning Light (If Equipped)	158
Check Gages Light	158
Gate Ajar	159
Fuel Gage	159
Low Fuel Light	160
Driver Information Center (DIC) (If Equipped)	160
DIC Operation and Displays	161
Trip Information Button	161
Odometer	161
Trip A and Trip B	161
Timer	161
Fuel Information Button	162
Fuel Range	162
Average Fuel Economy	162
Instant Fuel Economy	162
GM Oil Life System	163
Personalization Button	163
Alarm Warning Type	164
Automatic Locking	164
Automatic Unlocking	165
Seat Position Recall (If Equipped)	165
Perimeter Lighting	166
Remote Lock Feedback	166
Remote Unlock Feedback	167
Headlamps on at Exit	168
Tilt Mirror in Reverse (If Equipped)	168
Easy Exit Seat (If Equipped)	169
Display Units (ENG/MET)	169
Display Language	170
Select Button	170
DIC Warnings and Messages	171
ENGINE COOLANT HOT/IDLE ENGINE	171
ENGINE OVERHEATED/STOP ENGINE (If Equipped)	171
OIL PRESSURE LOW/STOP ENGINE	171
BATTERY NOT CHARGING	171
SERVICE AIR BAG	172
SERVICE BRAKE SYSTEM	172
TURN SIGNAL ON	172
REAR ACCESS OPEN	172
FUEL LEVEL LOW	172
CHANGE TRANS FLUID	172
CHECK OIL LEVEL	173
CHECK WASHER FLUID	173
TRANS HOT IDLE ENGINE	173
ICE POSSIBLE	173
DRIVER DOOR AJAR	173
PASSENGER DOOR AJAR	174
LEFT REAR DOOR AJAR	174
RIGHT REAR DOOR AJAR	174
RFA # BATTERY LOW	174
Section 3 Comfort Controls and Audio Systems	175
Comfort Controls	176
Comfort Controls Personalization (If Equipped)	176
Manual Dual Zone Comfort Controls	176
Fan Knob	176
Driver s Side Temperature Lever	176
Passenger s Side Temperature Lever	177
Mode Knob	177
Mode Buttons	177
Automatic Dual Zone Comfort Control System (Option)	178
Driver s Side Temperature Knob	178
Passenger s Side Temperature Knob	178
Fan Switch	179
MODE Button	179
Display	179
Automatic Operation	179
Manual Operation	180
Air Conditioning	181
Heating	182
Defogging and Defrosting	182
Rear Window Defogger	183
Rear Comfort Controls	184
Ventilation System	185
Ventilation Tips	186
Comfort Control Steering Wheel Controls (If Equipped)	186
Audio Systems	187
Setting the Clock	187
AM-FM Stereo with Compact Disc Player with Radio Data System (RDS) and Automatic Tone Control	187
Playing the Radio	187
Finding a Station	188
Setting Preset Stations	189
Setting the Tone (Bass/Treble)	189
Adjusting the Speakers (Balance/Fade)	190
Using RDS	191
Accessing RDS	192
RDS Radio Announcements	192
Playing a Compact Disc	193
Radio/Compact Disc Messages	195
AM-FM Stereo with Cassette Tape and Compact Disc Player with Radio Data System (RDS) and Automatic Tone Control (If Equipped)	196
Playing the Radio	196
Finding a Station	197
Setting Preset Stations	197
Setting the Tone (Bass/Treble)	198
Adjusting the Speakers (Balance/Fade)	199
Using RDS	200
Accessing RDS Stations	200
RDS Radio Announcements	201
Playing a Cassette Tape	202
Cassette Tape Messages	204
Tight/Loose Tape Sensor Defeat	205
Playing a Compact Disc	205
Compact Disc Messages	207
AM-FM Stereo with 6-Disc Compact Disc Player with Programmable Equalization and Radio Data System (RDS) (If Equipped)	207
Playing the Radio	207
Finding a Station	208
Setting Preset Stations	209
Setting the Tone (Bass/ Treble)	209
Adjusting the Speakers	211
Using RDS	211
Setting PTY Preset Stations	212
Radio Announcements	213
Playing a Compact Disc	214
Playing a Specific Loaded Compact Disc	215
Using Song List Mode	217
Compact Disc Messages	218
Rear Seat Audio (If Equipped)	219
Theft-Deterrent Feature RDS Radios	220
Audio Steering Wheel Controls (If Equipped)	220
Understanding Radio Reception	221
AM	221
FM Stereo	221
Tips About Your Audio System	221
Care of Your Cassette Tape Player	222
Care of Your Compact Discs	223
Care of Your Compact Disc Player	223
Diversity Antenna System	224
Chime Level Adjustment	224
Section 4 Your Driving and the Road	225
Defensive Driving	226
Drunken Driving	227
Control of a Vehicle	230
Braking	230
Anti-Lock Brake System (ABS)	231
Using Anti- Lock	233
Braking in Emergencies	233
Traction Assist System (TAS) (Two- Wheel Drive Only)	233
Steering	235
Power Steering	235
Steering Tips	235
Driving on Curves	235
Steering in Emergencies	236
Off-Road Recovery	237
Passing	237
Loss of Control	239
Skidding	239
Off-Road Driving with Your Four- Wheel- Drive Vehicle	240
Before You Go Off-Roading	240
Loading Your Vehicle for Off-Road Driving	240
Environmental Concerns	241
Traveling to Remote Areas	242
Getting Familiar with Off-Road Driving	242
Scanning the Terrain	243
Driving on Off-Road Hills	244
Approaching a Hill	244
Driving Uphill	245
Driving Downhill	248
Driving Across an Incline	250
Stalling on an Incline	251
Driving in Mud, Sand, Snow or Ice	252
Driving in Water	252
After Off-Road Driving	253
Driving at Night	254
Driving in Rain and on Wet Roads	256
Hydroplaning	257
Driving Through Deep Standing Water	258
Driving Through Flowing Water	258
Some Other Rainy Weather Tips	258
City Driving	259
Freeway Driving	260
Before Leaving on a Long Trip	261
Highway Hypnosis	262
Hill and Mountain Roads	262
Winter Driving	264
Driving on Snow or Ice	264
If You re Caught in a Blizzard	266
Recreational Vehicle Towing	268
Dinghy Towing	269
Dolly Towing	270
Loading Your Vehicle	271
Electronically Controlled Air Suspension System (If Equipped)	273
Overload Protection	273
Indicator Light	273
Adding a Snow Plow or Similar Equipment	274
Towing a Trailer	274
If You Do Decide To Pull A Trailer	275
Weight of the Trailer	276
Weight of the Trailer Tongue	277
Total Weight on Your Vehicle s Tires	278
Hitches	278
Safety Chains	279
Trailer Brakes	279
Driving with a Trailer	280
Following Distance	281
Passing	281
Backing Up	281
Making Turns	281
Turn Signals When Towing a Trailer	281
Driving On Grades	282
Parking on Hills	282
When You Are Ready to Leave After Parking on a Hill	283
Maintenance When Trailer Towing	283
Trailer Wiring Harness	284
Section 5 Problems on the Road	285
Hazard Warning Flashers	286
Other Warning Devices	286
Jump Starting	287
Towing Your Vehicle	292
Engine Overheating	292
If Steam Is Coming From Your Engine	292
If No Steam Is Coming From Your Engine	293
Cooling System	294
How to Add Coolant to the Coolant Recovery Tank	296
How to Add Coolant to the Radiator	298
Engine Fan Noise	301
If a Tire Goes Flat	301
Changing a Flat Tire	302
Removing the Spare Tire and Tools	303
Secondary Latch System	305
Removing the Flat Tire and Installing the Spare Tire	308
Storing a Flat or Spare Tire and Tools	312
If You re Stuck: In Sand, Mud, Ice or Snow	315
Rocking Your Vehicle To Get It Out	315
Section 6 Service and Appearance Care	316
Service	317
Doing Your Own Service Work	317
Adding Equipment to the Outside of Your Vehicle	318
Fuel	318
Gasoline Octane	318
Gasoline Specifications California Fuel	319
Additives	320
Fuels in Foreign Countries	320
Filling Your Tank	321
Filling a Portable Fuel Container	323
Checking Things Under the Hood	323
Hood Release	324
Engine Compartment Overview	325
Engine Oil	326
Checking Engine Oil	326
When to Add Engine Oil	327
What Kind of Engine Oil to Use	328
Engine Oil Additives	329
When to Change Engine Oil	329
How to Reset the CHANGE ENG OIL Light	330
What to Do with Used Oil	330
Engine Air Cleaner/Filter	330
Automatic Transmission Fluid	332
When to Check and Change	332
How to Check	333
Checking the Fluid Level	334
How to Add Fluid	335
Rear Axle	335
When to Check Lubricant	335
How to Check Lubricant	336
What to Use	336
Four-Wheel Drive	336
Transfer Case	336
When to Check Lubricant	336
How to Check Lubricant	337
What to Use	337
Front Axle	337
When to Check and Change Lubricant	337
How to Check Lubricant	338
What to Use	338
Engine Coolant	338
What to Use	339
Checking Coolant	340
Adding Coolant	341
Radiator Pressure Cap	341
Power Steering Fluid	342
When to Check Power Steering Fluid	342
How to Check Power Steering Fluid	342
What to Use	342
Windshield Washer Fluid	343
What to Use	343
Adding Washer Fluid	343
Brakes	344
Brake Fluid	344
Checking Brake Fluid	345
What to Add	345
Brake Wear	346
Brake Pedal Travel	347
Brake Adjustment	347
Replacing Brake System Parts	347
Battery	348
Vehicle Storage	348
Bulb Replacement	348
Halogen Bulbs	349
Headlamps	349
Front Turn Signals and Sidemarker Lamps	349
Taillamps and Rear Turn Signals	349
Windshield Wiper Blade Replacement	351
Backglass Wiper Blade Replacement	353
Tires	353
Inflation -- Tire Pressure	354
When to Check	354
How to Check	354
Tire Inspection and Rotation	355
When It s Time for New Tires	356
Buying New Tires	357
Uniform Tire Quality Grading	358
Treadwear	358
Traction -- AA, A, B, C	358
Temperature -- A, B, C	359
Wheel Alignment and Tire Balance	359
Wheel Replacement	359
Used Replacement Wheels	360
Tire Chains	361
Appearance Care	361
Cleaning the Inside of Your Vehicle	362

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