2003 CHEVROLET AVALANCHE service

Public Transportation or Fuel
Reimbursement
If your vehicle requires overnight warranty repairs,
reimbursement up to $30 per day (®ve day maximum)
may be available for the use of public transportation
such as taxi or bus. In addition, should you arrange
transportation through a friend or relative,
reimbursement for reasonable fuel expenses up to
$10 per day (®ve day maximum) may be available.
Claim amounts should re¯ect actual costs and be
supported by original receipts.
Courtesy Rental Vehicle
When your vehicle is unavailable due to overnight
warranty repairs, your dealer may arrange to provide
you with a courtesy rental vehicle or reimburse you for a
rental vehicle you obtained, at actual cost, up to a
maximum of $30.00 per day supported by receipts. This
requires that you sign and complete a rental agreement
and meet state, local and rental vehicle provider
requirements. Requirements vary and may include
minimum age requirements, insurance coverage, credit
card, etc. You are responsible for fuel usage charges
and may also be responsible for taxes, levies,
usage fees, excessive mileage or rental usage beyond
the completion of the repair.
Generally it is not possible to provide a like-vehicle as a
courtesy rental.
Additional Program Information
Courtesy Transportation is available during the
Bumper-to-Bumper warranty coverage period, but itis
notpart of the New Vehicle Limited Warranty. A
separate booklet entitled ªWarranty and Owner
Assistance Informationº furnished with each new vehicle
provides detailed warranty coverage information.
Courtesy Transportation is available only at participating
dealers and all program options, such as shuttle
service, may not be available at every dealer. Please
contact you dealer for speci®c information about
availability. All Courtesy Transportation arrangements
will be administered by appropriate dealer personnel.
Canadian Vehicles:For warranty repairs during
the Complete Vehicle Coverage period of the General
Motors of Canada New Vehicle Limited Warranty,
alternative transportation may be available under the
Courtesy Transportation Program. Please consult
your dealer for details.
General Motors reserves the right to unilaterally modify,
change or discontinue Courtesy Transportation at
any time and to resolve all questions of claim eligibility
pursuant to the terms and conditions described
herein at its sole discretion.
7-9

Reporting Safety Defects to General
Motors
In addition to notifying NHTSA (or Transport Canada) in
a situation like this, we certainly hope you'll notify us.
Please call us at 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 48232-5170
In Canada, please call us at 1-800-263-3777 (English)
or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle, suspension,
brakes, electrical, steering, body, etc.
RETAIL SELL PRICE: $120.00
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit repair service
procedures, adjustments, and speci®cations for GM
transmissions, transaxles, and transfer cases.
RETAIL SELL PRICE: $50.00
7-11

Service Bulletins
Service Bulletins give technical service information
needed to knowledgeably service General Motors cars
and trucks. Each bulletin contains instructions to
assist in the diagnosis and service of your vehicle.
In Canada, information pertaining to Product Service
Bulletins can be obtained by contacting your General
Motors dealer or by calling 1-800-GM-DRIVE
(1-800-463-7483).
Owner's Information
Owner publications are written speci®cally for owners
and intended to provide basic operational information
about the vehicle. The owner's manual will include
the Maintenance Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner's Manual, and
Warranty Booklet.
RETAIL SELL PRICE: $35.00
Without Portfolio: Owner's Manual only.
RETAIL SELL PRICE: $25.00
Current and Past Model Order Forms
Service Publications are available for current and
past model GM vehicles. To request an order form,
please specify year and model name of the vehicle.
ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM - 6:00 PM Eastern
Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit Helm, Inc. on the
World Wide Web at: www.helminc.com
Or you can write to:
Helm, Incorporated
P. O. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and without
incurring obligation. Allow ample time for delivery.
Note to Canadian Customers: All listed prices are
quoted in U.S. funds. Canadian residents are to make
checks payable in U.S. funds.
7-12

Automatic Transmission Check..........................6-12
Automatic Transmission Shift Lock Control
System Check.............................................6-13
Automatic Transmission...................................5-22
Fluid..........................................................5-22
Operation...................................................2-31
Auxiliary Battery..............................................4-69
Auxiliary Roof Mounted Lamp Switch.................3-16
B
Backing Up....................................................4-65
BATTERY NOT CHARGING.............................3-58
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-18
Battery..........................................................5-42
Before Leaving on a Long Trip.........................4-38
Before You Drive............................................3-90
Before You Go Off-Roading..............................4-19
Body Lubrication Service..................................6-12
Brake Adjustment............................................5-42
Brake Fluid....................................................5-39
Brake Pedal, Throttle.......................................2-29
Brake Pedal Travel.........................................5-42
Brake Wear...................................................5-41
Brake............................................................2-39
Parking......................................................2-39
System Inspection.......................................6-16
System Warning Light..................................3-37Brake (cont.)
Brakes..........................................................5-39
Braking in Emergencies..................................... 4-9
Braking........................................................... 4-6
Break-In, New Vehicle.....................................2-27
Bulb Replacement...........................................5-52
Center High-Mounted Stoplamp (CHMSL)........5-58
Daytime Running Lamps...............................5-58
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-56
Front Turn Signal, Sidemarker and Parking
Lamps....................................................5-55
Halogen Bulbs............................................5-52
Headlamps.................................................5-52
Replacement Bulbs......................................5-59
Taillamps....................................................5-58
Buying New Tires...........................................5-64
C
California Fuel.................................................. 5-6
Canada ± Customer Assistance.......................... 7-5
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci®cations..........................5-106
Carbon Monoxide...........4-41, 4-58, 2-12, 2-21, 2-44
Care of.........................................................5-91
Safety Belts................................................5-91
Your CD and DVD Player...........................3-103
2

Care of (cont.)
Your CDs and DVDs..................................3-103
Cargo Area, All-Weather..................................2-72
Cargo Area Floor Drains..................................2-76
Cargo Cover Panels........................................2-61
Cargo Lamps.................................................3-16
Cargo Panel Storage System............................2-64
Cargo Tie Downs............................................2-71
Cassette Tape Player Service...........................6-11
Center Console Storage Area...........................2-59
Center High-Mounted Stoplamp (CHMSL)...........5-58
Center Instrument Panel Fuse Block................5-100
Center Overhead Console................................2-59
Center Passenger Position, Safety Belts.............1-24
Chains, Tires..................................................5-68
CHANGE ENGINE OIL....................................3-57
Charging System Light....................................3-36
Check Engine Light.........................................3-41
CHECK OIL LEVEL.........................................3-57
CHECK WASHER FLUID.................................3-60
Checking Brake Fluid......................................5-40
Checking Coolant............................................5-26
Checking Engine Oil........................................5-15
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-67
Check...........................................................3-41
Engine Light...............................................3-41
Chemical Paint Spotting...................................5-94
Child Restraints..............................................1-38
Child Restraint Systems...............................1-38Child Restraints (cont.)
Infants and Young Children...........................1-34
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-43
Older Children.............................................1-32
Securing a Child Restraint in a Rear Seat
Position..................................................1-45
Securing a Child Restraint in the Center Front
Seat Position...........................................1-48
Securing a Child Restraint in the Right Front
Seat Position...........................................1-48
Top Strap Anchor Location............................1-43
Top Strap...................................................1-42
Where to Put the Restraint...........................1-41
Cigarette Lighter.............................................3-19
Cleaning Exterior Lamps/Lenses.......................5-91
Cleaning Fabric/Carpet....................................5-88
Cleaning Glass Surfaces..................................5-90
Cleaning Interior Plastic Components.................5-90
Cleaning Leather............................................5-90
Cleaning the Mirror.................................2-48, 2-51
Cleaning the Top of the Instrument Panel...........5-90
Cleaning Vinyl................................................5-90
Cleaning........................................................5-88
Inside of Your Vehicle..................................5-88
Outside of Your Vehicle................................5-91
Underbody Maintenance...............................5-94
Video Screen............................................3-103
Weatherstrips..............................................5-91
Climate Control System...................................3-20
3

Automatic...................................................3-20
Climate Controls Personalization....................3-29
Dual..........................................................3-26
Outlet Adjustment........................................3-28
Compact Disc Messages..........................3-75, 3-89
Compass Calibration...............................2-48, 2-49
Compass Operation.........................................2-49
Compass Variance..................................2-47, 2-50
Content Theft-Deterrent....................................2-25
Control of a Vehicle.......................................... 4-6
Coolant.........................................................3-39
Engine Temperature Gage............................3-39
Heater, Engine............................................2-30
Surge Tank Pressure Cap.............................5-27
Cooling System..............................................5-30
Cruise Control Light........................................3-44
Cruise Control................................................3-10
Current and Past Model Order Forms................7-12
Customer Assistance Information........................ 7-7
Courtesy Transportation.................................. 7-7
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-5
Reporting Safety Defects to General Motors....7-11
Reporting Safety Defects to the Canadian
Government............................................7-10Customer Assistance Information (cont.)
Reporting Safety Defects to the United States
Government............................................7-10
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-11
D
Daytime Running Lamps..................................3-14
Defensive Driving............................................. 4-2
Defogging and Defrosting.........................3-25, 3-27
Delayed Locking............................................... 2-8
Dinghy Towing................................................4-49
Doing Your Own Service Work........................... 5-4
Dolly Towing..................................................4-50
Dome Lamps.................................................3-17
Door............................................................... 2-8
Delayed Locking........................................... 2-8
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks.............................2-11
DRIVER DOOR AJAR.....................................3-61
Driver Information Center (DIC).........................3-46
DIC Operation and Displays..........................3-46
DIC Warnings and Messages........................3-57
Driver............................................................1-16
Position, Safety Belt.....................................1-16
Driving Across an Incline..................................4-28
4

Driving Downhill..............................................4-26
Driving in Mud, Sand, Snow or Ice....................4-29
Driving in Water..............................................4-30
Driving On Grades..........................................4-66
Driving on Off-Road Hills.................................4-23
Driving on Snow or Ice....................................4-42
Driving Through Deep Standing Water...............4-35
Driving Through Flowing Water.........................4-35
Driving Uphill..................................................4-24
Driving with a Trailer.......................................4-64
Driving..........................................................4-32
At Night.....................................................4-32
City...........................................................4-36
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Freeway.....................................................4-37
Hill and Mountain Roads..............................4-39
In Rain and on Wet Roads...........................4-33
Winter........................................................4-41
Dual Climate Control System............................3-26
DVD Player....................................................3-90
DVD ............................................................3-103
Cleaning the Video Screen..........................3-103
Distortion..................................................3-102
Rear Seat Entertainment System...................3-90E
Easy Exit Seat...............................................2-86
Electrical System............................................5-96
Fuses and Circuit Breakers...........................5-97
Power Windows and Other Power Options......5-97
Windshield Wiper Fuses...............................5-97
Electrochromic Mirror Operation................2-46, 2-49
Emissions Inspection and Maintenance
Programs...................................................3-43
ENGINE COOLANT HOT.................................3-58
Engine Coolant Level Check.............................6-10
Engine Oil Additives........................................5-18
Engine Oil and Chassis Lubrication Scheduled
Maintenance................................................. 6-5
Engine Oil Level Check...................................6-10
ENGINE OVERHEATED..................................3-58
Engine..........................................................5-20
Air Cleaner/Filter.........................................5-20
Battery.......................................................5-42
Check and Service Engine Soon Light............3-41
Compartment Overview................................5-12
Coolant Heater............................................2-30
Coolant Temperature Gage...........................3-39
Coolant......................................................5-24
Cooling System Inspection............................6-16
Exhaust.....................................................2-44
Fan Noise..................................................5-36
Oil .............................................................5-15
Overheating................................................5-27
5

I
If No Steam Is Coming From Your Engine..........5-29
If Steam Is Coming From Your Engine...............5-28
If the Light is Flashing.....................................3-42
If the Light Is On Steady.................................3-42
If You Are Stuck in Sand, Mud, Ice or Snow.......4-45
If You Do Decide To Pull A Trailer.....................4-59
If You're Caught in a Blizzard...........................4-44
Ignition Positions.............................................2-27
Ignition Transmission Lock Check......................6-13
Illuminated Visor Vanity Mirrors.........................2-24
Infants and Young Children, Restraints...............1-34
In¯ation -- Tire Pressure..................................5-62
Inspection......................................................6-16
Brake System.............................................6-16
Engine Cooling System................................6-16
Exhaust System..........................................6-15
Fuel System...............................................6-15
Part C - Periodic Maintenance.......................6-15
Steering and Suspension..............................6-15
Transfer Case and Front Axle
(Four-Wheel Drive)....................................6-16
Instrument Panel Brightness.............................3-17
Instrument Panel Fuse Block............................5-97
Instrument Panel.............................................3-31
Cluster.......................................................3-31
Overview..................................................... 3-4
Interior Lamps................................................3-17
J
Jump Starting.................................................5-43
K
Key Lock Cylinders Service..............................6-12
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps On Reminder.......................................3-14
Lamps...........................................................3-13
Exterior......................................................3-13
Interior.......................................................3-17
Lap Belt........................................................1-25
Lap-Shoulder Belt...................................1-16, 1-27
LATCH System...............................................1-43
Child Restraints...........................................1-43
Leaving Your Vehicle With the Engine Running . . . 2-41
LEFT REAR DOOR AJAR................................3-62
Level Control..................................................4-53
Light.............................................................3-33
Air Bag Readiness.......................................3-33
Anti-Lock Brake System Warning...................3-38
Brake System Warning.................................3-37
Charging System.........................................3-36
Cruise Control.............................................3-44
8