2008 GMC Envoy Owner's Manual
Year:
2008
Make:
GMC
Model:
Envoy
Rating:
Table of Contents
2008 GMC Envoy and Envoy Denali BookTOC
1
Seats and Restraint Systems
5
Front Seats
6
Manual Seats
6
Power Seats
7
Manual Lumbar
7
Power Lumbar
8
Heated Seats
8
Memory Seat, Mirrors, and Pedals
9
Reclining Seatbacks
11
Head Restraints
14
Rear Seats
15
Rear Seat Operation
15
Safety Belts
17
Safety Belts: They Are for Everyone
17
How to Wear Safety Belts Properly
22
Lap-Shoulder Belt
30
Safety Belt Use During Pregnancy
35
Safety Belt Extender
35
Child Restraints
36
Older Children
36
Infants and Young Children
39
Child Restraint Systems
42
Where to Put the Restraint
44
Lower Anchors and Tethers for Children (LATCH)
45
Securing a Child Restraint in a Rear Outside Seat Position
51
Securing a Child Restraint in the Center Rear Seat Position
53
Securing a Child Restraint in the Right Front Seat Position
54
Airbag System
57
Where Are the Airbags?
60
When Should an Airbag Inflate?
62
What Makes an Airbag Inflate?
63
How Does an Airbag Restrain?
63
What Will You See After an Airbag Inflates?
64
Passenger Sensing System
65
Servicing Your Airbag-Equipped Vehicle
70
Adding Equipment to Your Airbag-Equipped Vehicle
70
Restraint System Check
72
Checking the Restraint Systems
72
Replacing Restraint System Parts After a Crash
73
Features and Controls
75
Keys
77
Remote Keyless Entry (RKE) System
78
Remote Keyless Entry (RKE) System Operation
79
Doors and Locks
81
Door Locks
81
Power Door Locks
82
Delayed Locking
82
Programmable Automatic Door Locks
83
Rear Door Security Locks
85
Lockout Protection
85
Liftgate/Liftglass
86
Windows
87
Power Windows
88
Sun Visors
89
Theft-Deterrent Systems
90
Content Theft-Deterrent
90
Passlock® (U. S. Only)
91
92
Operation (Canada Only)
92
Starting and Operating Your Vehicle
94
New Vehicle Break-In
94
Ignition Positions
95
Retained Accessory Power (RAP)
96
Starting the Engine
96
Adjustable Throttle and Brake Pedal
98
Engine Coolant Heater
98
Active Fuel Management™
99
Automatic Transmission Operation
100
Four-Wheel Drive
103
Parking Brake
107
Shifting Into PARK (P)
108
Shifting Out of PARK (P)
110
Parking Over Things That Burn
111
Engine Exhaust
111
Running the Vehicle While Parked
112
Mirrors
113
Manual Rearview Mirror
113
Manual Rearview Mirror with OnStar®
113
Automatic Dimming Rearview Mirror with OnStar® and Compass
113
Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display
115
Automatic Dimming Rearview Mirror with Compass and Temperature Display
118
Outside Manual Mirrors
120
Outside Power Mirrors
121
Outside Curb View Assist Mirror
121
Outside Convex Mirror
122
Outside Heated Mirrors
122
OnStar® System
122
Universal Home Remote System
126
Universal Home Remote System
126
Universal Home Remote System Operation (With One Triangular LED)
126
Storage Areas
131
Glove Box
131
Overhead Console
131
Center Console Storage
131
Luggage Carrier
132
Rear Floor Storage Lid
133
Convenience Net
133
Cargo Cover
133
Cargo Tie Downs
134
Sunroof
134
Instrument Panel
135
Instrument Panel Overview
138
Hazard Warning Flashers
140
Other Warning Devices
140
Horn
140
Tilt Wheel
140
Turn Signal/Multifunction Lever
141
Turn and Lane-Change Signals
141
Headlamp High/Low-Beam Changer
142
Flash-to-Pass
142
Windshield Wipers
143
Windshield Washer
143
Rear Window Wiper/Washer
144
Headlamp Washer
145
Cruise Control
145
Headlamps
148
Headlamps on Reminder
149
Daytime Running Lamps (DRL)
149
Automatic Headlamp System
149
Fog Lamps
150
Instrument Panel Brightness
151
Dome Lamps
151
Dome Lamp Override
151
Entry Lighting
152
Exit Lighting
152
Reading Lamps
152
Electric Power Management
152
Battery Run-Down Protection
153
Accessory Power Outlet(s)
154
Ashtray(s) and Cigarette Lighter
154
Climate Controls
155
Dual Climate Control System
155
Dual Automatic Climate Control System
157
Outlet Adjustment
162
Rear Climate Control System
162
Warning Lights, Gages, and Indicators
164
Instrument Panel Cluster
165
Speedometer and Odometer
166
Trip Odometer
166
Tachometer
166
Safety Belt Reminders
166
Airbag Readiness Light
167
Passenger Airbag Status Indicator
168
Charging System Light
170
Voltmeter Gage
171
Brake System Warning Light
172
Antilock Brake System Warning Light
173
StabiliTrak® Service Light
173
StabiliTrak® Indicator Light
174
Engine Coolant Temperature Gage
174
Tire Pressure Light
175
Malfunction Indicator Lamp
175
Oil Pressure Gage
178
Change Engine Oil Light
179
Security Light
180
Cruise Control Light
180
Reduced Engine Power Light
180
Highbeam On Light
181
Service Four-Wheel Drive Warning Light
181
Check Gages Warning Light
181
Gate Ajar Light
182
Fuel Gage
182
Low Fuel Warning Light
183
Check Gas Cap Light
183
Driver Information Center (DIC)
183
DIC Operation and Displays
184
DIC Warnings and Messages
187
DIC Vehicle Customization
192
Audio System(s)
199
Setting the Clock
200
Radio(s)
200
Using an MP3
216
XM Radio Messages
220
Navigation/Radio System
221
Rear Seat Entertainment (RSE) System
221
Rear Seat Audio (RSA)
234
Theft-Deterrent Feature
235
Audio Steering Wheel Controls
235
Radio Reception
236
Fixed Mast Antenna
237
XM™ Satellite Radio Antenna System
237
Chime Level Adjustment
237
Driving Your Vehicle
239
Your Driving, the Road, and Your Vehicle
240
Defensive Driving
240
Drunk Driving
240
Control of a Vehicle
241
Braking
241
Antilock Brake System (ABS)
242
Braking in Emergencies
243
Locking Rear Axle
243
StabiliTrak® System
244
Steering
248
Off-Road Recovery
250
Passing
250
Loss of Control
250
Off-Road Driving
251
Driving at Night
264
Driving in Rain and on Wet Roads
265
Before Leaving on a Long Trip
266
Highway Hypnosis
266
Hill and Mountain Roads
267
Winter Driving
268
If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow
271
Rocking Your Vehicle to Get It Out
272
Loading Your Vehicle
272
Adding a Snow Plow or Similar Equipment
278
Towing
278
Towing Your Vehicle
278
Recreational Vehicle Towing
278
Electronically Controlled Air Suspension System
282
Towing a Trailer
283
Service and Appearance Care
295
Service
297
Accessories and Modifications
297
California Proposition 65 Warning
298
California Perchlorate Materials Requirements
298
Doing Your Own Service Work
298
Adding Equipment to the Outside of Your Vehicle
299
Fuel
299
Gasoline Octane
300
Gasoline Specifications
300
California Fuel
300
Additives
301
Fuels in Foreign Countries
301
Filling the Tank
302
Filling a Portable Fuel Container
304
Checking Things Under the Hood
304
Hood Release
305
Engine Compartment Overview
306
Engine Oil
310
Engine Oil Life System
313
Engine Air Cleaner/Filter
315
Automatic Transmission Fluid
317
Engine Coolant
320
Radiator Pressure Cap
322
Engine Overheating
322
Cooling System
324
Engine Fan Noise
329
Power Steering Fluid
330
Windshield Washer Fluid
331
Brakes
332
Battery
335
Jump Starting
336
Rear Axle
340
Four-Wheel Drive
341
Front Axle
342
Headlamp Aiming
343
Bulb Replacement
343
Halogen Bulbs
343
Headlamps
344
Front Turn Signal, Sidemarker and Parking Lamps
345
Taillamps, Turn Signal, and Stoplamps
345
Back-Up Lamps
347
License Plate Lamp
347
Replacement Bulbs
348
Windshield Wiper Blade Replacement
348
Tires
351
Tire Sidewall Labeling
352
Tire Terminology and Definitions
355
Inflation - Tire Pressure
358
High-Speed Operation
360
Tire Pressure Monitor System
361
Tire Pressure Monitor Operation
363
Tire Inspection and Rotation
366
When It Is Time for New Tires
367
Buying New Tires
368
Different Size Tires and Wheels
370
Uniform Tire Quality Grading
371
Wheel Alignment and Tire Balance
372
Wheel Replacement
372
Tire Chains
374
Accessory Inflator
374
If a Tire Goes Flat
375
Changing a Flat Tire
376
Removing the Spare Tire and Tools
378
Removing the Flat Tire and Installing the Spare Tire
381
Secondary Latch System
386
Storing a Flat or Spare Tire and Tools
390
Spare Tire
393
Appearance Care
394
Interior Cleaning
394
Fabric/Carpet
395
Leather
396
Instrument Panel, Vinyl, and Other Plastic Surfaces
396
Care of Safety Belts
397
Weatherstrips
397
Washing Your Vehicle
397
Cleaning Exterior Lamps/Lenses
398
Finish Care
398
Windshield, Backglass, and Wiper Blades
399
Aluminum Wheels
399
Tires
400
Sheet Metal Damage
400
Finish Damage
400
Underbody Maintenance
400
Chemical Paint Spotting
400
Vehicle Care/Appearance Materials
401
Vehicle Identification
402
Vehicle Identification Number (VIN)
402
Service Parts Identification Label
402
Electrical System
403
Add-On Electrical Equipment
403
Headlamps
403
Windshield Wiper Fuses
403
Power Windows and Other Power Options
403
Fuses and Circuit Breakers
404
Engine Compartment Fuse Block
404
Rear Underseat Fuse Block
410
Capacities and Specifications
414
Maintenance Schedule
417
Maintenance Schedule
418
Introduction
418
Maintenance Requirements
418
Your Vehicle and the Environment
418
Using the Maintenance Schedule
419
Scheduled Maintenance
420
Additional Required Services
422
Maintenance Footnotes
423
Owner Checks and Services
425
At Each Fuel Fill
425
At Least Once a Month
425
At Least Once a Year
426
Recommended Fluids and Lubricants
428
Maintenance Replacement Parts
430
Engine Drive Belt Routing
431
Maintenance Record
432
Customer Assistance Information
435
Customer Assistance and Information
436
Customer Satisfaction Procedure
436
Online Owner Center
439
Customer Assistance for Text Telephone (TTY) Users
440
Customer Assistance Offices
440
GM Mobility Reimbursement Program
441
Roadside Assistance Program
442
Scheduling Service Appointments
444
Courtesy Transportation
445
Collision Damage Repair
446
Reporting Safety Defects
449
Reporting Safety Defects to the United States Government
449
Reporting Safety Defects to the Canadian Government
450
Reporting Safety Defects to General Motors
450
Service Publications Ordering Information
450
Vehicle Data Recording and Privacy
452
Event Data Recorders
452
OnStar®
453
Navigation System
453
Radio Frequency Identification (RFID)
453
Index
455
2008 GMC Envoy Overview
Introduction
The 2008 GMC Envoy is a rugged midsize SUV that combines comfort, versatility, and a solid performance pedigree. Designed for families and adventure enthusiasts alike, the Envoy caters to diverse lifestyles with its spacious interior, robust capabilities, and distinctive styling. Whether navigating through urban landscapes or tackling rugged terrains, the Envoy stands out with its confident stance and refined presence. This SUV not only offers a reliable driving experience but also embodies GMC's commitment to quality and durability.
Powertrains
The 2008 GMC Envoy is available with two dynamic powertrains. The standard 4.2-liter inline-six engine produces an impressive 275 horsepower and 275 lb-ft of torque, delivering a balanced blend of performance and efficiency. For those seeking greater power, the optional 5.3-liter V8 engine generates a robust 300 horsepower and 320 lb-ft of torque, allowing for enhanced towing capacity and a more exhilarating driving experience. Both engines come mated to a smooth-shifting four-speed automatic transmission, with an available all-wheel-drive option for improved handling in various driving conditions.
Trims
The 2008 GMC Envoy comes in several trims, each designed to meet different customer preferences. The base SLE offers a well-rounded package with essential features, while the SLT adds premium touches such as leather seating and upgraded audio systems. For those desiring a more luxurious experience, the Denali trim comes equipped with the V8 engine, premium interior finishes, and advanced technology, ensuring every journey is both comfortable and stylish.
Features
Owner's Manual
The owner's manual for the 2008 GMC Envoy is a comprehensive guide, offering essential information on vehicle operation, maintenance schedules, and troubleshooting tips. It serves as an indispensable tool for owners to maximize the vehicle's performance and longevity while also ensuring their safety and satisfaction throughout their ownership experience.
User manual download
The GMC Envoy owner manual for the 2008 model year is to be found in PDF downloadable format on this page. The owner manual for the model year 2008 is free and in English, but the repair manuals are usually not easy to get and may cost more.
Posted by, John Mana
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