2008 CHEVROLET AVALANCHE airbag

Different Size Tires and Wheels
If you add wheels or tires that are a different size than
your original equipment wheels and tires, this could
affect the way your vehicle performs, including its
braking, ride and handling characteristics, stability,
and resistance to rollover. Additionally, if your vehicle
has electronic systems such as anti-lock brakes, rollover
airbags, traction control, and electronic stability control,
the performance of these systems can be affected.
{CAUTION:
If you add different sized wheels, your
vehicle may not provide an acceptable
level of performance and safety if tires not
recommended for those wheels are selected.
You may increase the chance that you will crash
and suffer serious injury. Only use GM specic
wheel and tire systems developed for your
vehicle, and have them properly installed by
a GM certied technician.
SeeBuying New Tires on page 5-72andAccessories
and Modications on page 5-3for additional information.
Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder
and maximum section width. For example:
Treadwear 200 Traction AA
Temperature A
The following information relates to the system
developed by the United States National Highway
Traffic Safety Administration (NHTSA), which
grades tires by treadwear, traction, and
temperature performance. This applies only to
vehicles sold in the United States. The grades are
molded on the sidewalls of most passenger car
tires. The Uniform Tire Quality Grading (UTQG)
system does not apply to deep tread, winter-type
snow tires, space-saver, or temporary use spare
tires, tires with nominal rim diameters of
10 to 12 inches (25 to 30 cm), or to some
limited-production tires.
While the tires available on General Motors
passenger cars and light trucks may vary with
respect to these grades, they must also conform
to federal safety requirements and additional
General Motors Tire Performance Criteria (TPC)
standards.
5-74

Electrical System
Add-On Electrical Equipment
Notice:Do not add anything electrical to your
vehicle unless you check with your dealer/retailer
rst. Some electrical equipment can damage
your vehicle and the damage would not be covered
by your warranty. Some add-on electrical equipment
can keep other components from working as they
should.
Add-on equipment can drain your vehicle’s battery, even
if your vehicle is not operating.
Your vehicle has an airbag system. Before attempting to
add anything electrical to your vehicle, seeServicing
Your Airbag-Equipped Vehicle on page 1-74.
Windshield Wiper Fuses
The windshield wiper motor is protected by a circuit
breaker and a fuse. If the motor overheats due to heavy
snow, etc., the wiper will stop until the motor cools.
If the overload is caused by some electrical problem,
have it xed.
Power Windows and Other Power
Options
Circuit breakers protect the power windows and other
power accessories. If the current load is too heavy,
the circuit breaker opens and then closes after a cool
down period, protecting the circuit until the problem
is xed or goes away.
Fuses and Circuit Breakers
The wiring circuits in your vehicle are protected from
short circuits by a combination of fuses, circuit breakers
and fusible thermal links. This greatly reduces the
chance of res caused by electrical problems.
Look at the silver-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Be sure you
replace a bad fuse with a new one of the identical
size and rating.
Fuses of the same amperage can be temporarily
borrowed from another fuse location, if a fuse goes out.
Replace the fuse as soon as you can.
5-108

Fuses Usage
24Fuel Injectors, Ignition Coils
(Left Side)
25 Trailer Park Lamps
26 Driver Side Park Lamps
27 Passenger Side Park Lamps
28 Fog Lamps
29 Horn
30Passenger Side High-Beam
Headlamp
31 Daytime Running Lamps
32 Driver Side High-Beam Headlamp
33 Daytime Running Lights 2
34 Sunroof
35Key Ignition System, Theft Deterrent
System
36 Windshield Wiper
37 SEO B2 Uptter Usage (Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 AmplierFuses Usage
42 Audio System
43Miscellaneous (Ignition),
Cruise Control
44 Liftgate Release
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Power Take-Off
48Auxiliary Climate Control (Ignition),
Compass-Temperature Mirror
49 Center High-Mounted Stoplamp
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Uptter Usage (Battery)
53Cigarette Lighter, Auxiliary Power
Outlet
54Automatic Level Control Compressor
Relay, SEO Uptter Usage
55 Climate Controls (Ignition)
56Engine Control Module, Secondary
Fuel Pump (Ignition)
5-113

Vehicle Data Recording and
Privacy
Your GM vehicle has a number of sophisticated
computers that record information about the vehicle’s
performance and how it is driven. For example, your
vehicle uses computer modules to monitor and control
engine and transmission performance, to monitor the
conditions for airbag deployment and deploy airbags in a
crash and, if so equipped, to provide antilock braking to
help the driver control the vehicle. These modules may
store data to help your dealer/retailer technician service
your vehicle. Some modules may also store data about
how you operate the vehicle, such as rate of fuel
consumption or average speed. These modules may also
retain the owner’s personal preferences, such as radio
pre-sets, seat positions, and temperature settings.
Event Data Recorders
This vehicle has an Event Data Recorder (EDR).
The main purpose of an EDR is to record, in certain
crash or near crash-like situations, such as an airbag
deployment or hitting a road obstacle, data that will
assist in understanding how a vehicle’s systems
performed. The EDR is designed to record data related
to vehicle dynamics and safety systems for a short
period of time, typically 30 seconds or less. The EDR
in this vehicle is designed to record such data as:
How various systems in your vehicle were operating
Whether or not the driver and passenger safety
belts were buckled/fastened
How far, if at all, the driver was pressing the
accelerator and/or brake pedal
How fast the vehicle was traveling
This data can help provide a better understanding of the
circumstances in which crashes and injuries occur.
Important:EDR data is recorded by your vehicle only
if a non-trivial crash situation occurs; no data is recorded
by the EDR under normal driving conditions and no
personal data (e.g., name, gender, age, and crash
location) is recorded. However, other parties, such as law
enforcement, could combine the EDR data with the type
of personally identifying data routinely acquired during a
crash investigation.
7-16

A
Accessories and Modications............................ 5-3
Accessory Power Outlets.................................3-20
Adding Equipment to Your Airbag-Equipped
Vehicle.......................................................1-74
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment...........................5-108
Adjustable Throttle and Brake Pedal..................2-33
Air Cleaner/Filter, Engine.................................5-20
Air Conditioning......................................3-21, 3-24
Airbag
Passenger Status Indicator...........................3-36
Readiness Light..........................................3-35
Airbag System................................................1-60
Adding Equipment to Your Airbag-Equipped
Vehicle...................................................1-74
How Does an Airbag Restrain?......................1-67
Passenger Sensing System...........................1-69
Servicing Your Airbag-Equipped Vehicle..........1-74
What Makes an Airbag Inate?......................1-67
What Will You See After an Airbag Inates?....1-68
When Should an Airbag Inate?....................1-65
Where Are the Airbags?...............................1-63
Antenna, Fixed Mast......................................3-120
Antenna, XM™ Satellite Radio Antenna
System.....................................................3-120
Antilock Brake System (ABS)............................. 4-4
Anti-lock Brake, System Warning Light...............3-41Appearance Care
Aluminum or Chrome-Plated Wheels.............5-104
Care of Safety Belts...................................5-102
Chemical Paint Spotting..............................5-106
Cleaning Exterior Lamps/Lenses..................5-103
Fabric/Carpet............................................5-100
Finish Care...............................................5-103
Finish Damage..........................................5-105
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-101
Interior Cleaning..........................................5-99
Leather....................................................5-101
Sheet Metal Damage..................................5-105
Tires........................................................5-105
Underbody Maintenance.............................5-105
Vehicle Care/Appearance Materials...............5-106
Washing Your Vehicle.................................5-102
Weatherstrips............................................5-102
Windshield and Wiper Blades......................5-104
Appointments, Scheduling Service....................... 7-9
Ashtray.........................................................3-20
Audio System.................................................3-75
Audio Steering Wheel Controls....................3-118
Fixed Mast Antenna...................................3-120
Navigation/Radio System,
see Navigation Manual............................3-107
Radio Reception........................................3-119
Rear Seat Audio (RSA)...............................3-116
Setting the Clock.........................................3-76
1

J
Jump Starting.................................................5-42
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-57
Lamps
Dome ........................................................3-18
Dome Lamp Override...................................3-18
Exterior Cargo.............................................3-17
Reading.....................................................3-18
Lap Belt........................................................1-34
Lap-Shoulder Belt...........................................1-28
LATCH System
Child Restraints...........................................1-46
Level Control..................................................4-46
License Plate Lamps.......................................5-54
Light
Airbag Readiness........................................3-35
Anti-lock Brake System (ABS) Warning...........3-41
Brake System Warning.................................3-39
Charging System.........................................3-38
Cruise Control.............................................3-48Light (cont.)
Fog Lamp ..................................................3-48
Highbeam On.............................................3-48
Low Fuel Warning.......................................3-50
Malfunction Indicator....................................3-43
Oil Pressure...............................................3-47
Passenger Airbag Status Indicator..................3-36
Safety Belt Reminders..................................3-34
Security.....................................................3-47
StabiliTrak
®Indicator....................................3-41
Tire Pressure..............................................3-42
Tow/Haul Mode...........................................3-48
Lighting
Entry/Exit...................................................3-18
Lights
Exterior Lamps............................................3-14
Flash-to-Pass............................................... 3-9
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-15
Loading Your Vehicle.......................................4-36
Locking Rear Axle............................................ 4-5
Lockout Protection..........................................2-12
Locks
Delayed Locking..........................................2-10
Door ..........................................................2-10
Lockout Protection.......................................2-12
Power Door ................................................2-10
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-11
Loss of Control...............................................4-11
7

O
Odometer......................................................3-34
Odometer, Trip...............................................3-34
Off-Road Driving.............................................4-12
Off-Road Recovery..........................................4-10
Oil
Engine.......................................................5-15
Pressure Gage............................................3-46
Pressure Light.............................................3-47
Oil, Engine Oil Life System..............................5-18
Older Children, Restraints................................1-35
Online Owner Center........................................ 7-4
OnStar, Privacy..............................................7-17
OnStar
®System, see OnStar®Manual...............2-61
Operation, Universal Home Remote System........2-64
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-31
Outlets
Accessory Power.........................................3-20
Outside
Power Foldaway Mirrors...............................2-56
Power Mirrors.............................................2-54
Overheated Engine Protection Operating Mode....5-30
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Paint, Damage..............................................5-105
Park
Shifting Into................................................2-45
Shifting Out of............................................2-47
Park Aid........................................................2-58
Park Brake....................................................2-44
Parking
Assist........................................................2-58
Over Things That Burn.................................2-47
Passenger Airbag Status Indicator.....................3-36
Passenger Sensing System..............................1-69
Passing.........................................................4-11
PASS-KEY
®III+ Electronic Immobilizer...............2-28
PASS-Key®III+ Electronic Immobilizer
Operation...................................................2-28
Perchlorate Materials Requirements, California...... 5-4
Power
Door Locks.................................................2-10
Electrical System.......................................5-108
Lumbar Controls........................................... 1-4
Retained Accessory (RAP)............................2-32
Running Boards..........................................2-22
Seat............................................................ 1-3
Steering Fluid.............................................5-36
Windows....................................................2-24
9

S
Safety Belt
Reminder Light............................................3-34
Safety Belts
Care of ....................................................5-102
How to Wear Safety Belts Properly................1-19
Lap Belt.....................................................1-34
Lap-Shoulder Belt........................................1-28
Safety Belt Extender....................................1-35
Safety Belt Use During Pregnancy.................1-33
Safety Belts Are for Everyone.......................1-14
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seats
Center Seat................................................1-11
Head Restraints..........................................1-11
Heated Seats............................................... 1-5
Manual Lumbar............................................. 1-4
Memory, Mirrors and Pedals........................... 1-6
Power Lumbar .............................................. 1-4
Power Seats................................................. 1-3
Rear Seat Operation....................................1-12
Reclining Seatbacks...................................... 1-8
Secondary Latch System.................................5-91
Securing a Child Restraint
Center Front Seat Position............................1-56
Rear Seat Position......................................1-53
Right Front Seat Position..............................1-56
Security Light.................................................3-47Service........................................................... 5-3
Accessories and Modications......................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-5
California Perchlorate Materials Requirements.... 5-4
California Proposition 65 Warning.................... 5-4
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-43
Publications Ordering Information...................7-15
Service, Scheduling Appointments....................... 7-9
Servicing Your Airbag-Equipped Vehicle..............1-74
Setting the Clock............................................3-76
Sheet Metal Damage.....................................5-105
Shifting Into Park............................................2-45
Shifting Out of Park........................................2-47
Signals, Turn and Lane-Change.......................... 3-8
Spare Tire.....................................................5-98
Installing....................................................5-85
Removing...................................................5-81
Storing.......................................................5-94
Specications, Capacities...............................5-115
Speedometer..................................................3-34
StabiliTrak
®Indicator Light...............................3-41
Stabilitrak®System........................................... 4-6
Start Vehicle, Remote....................................... 2-7
Starting the Engine.........................................2-32
Steering.......................................................... 4-8
Steering Wheel Controls, Audio.......................3-118
Steering Wheel, Tilt Wheel................................. 3-7
11