2003 GMC SONOMA fuel

GM Mobility Program for Persons
with Disabilities
This program, available to
qualied applicants, can
reimburse you up to
$1,000 toward aftermarket
driver or passenger
adaptive equipment you
may require for your
vehicle (hand controls,
wheelchair/scooter
lifts, etc.).
This program can also provide you with free resource
information, such as area driver assessment centers and
mobility equipment installers. The program is available
for a limited period of time from the date of vehicle
purchase/lease. See your dealer for more details or call
the GM Mobility Assistance Center at 1-800-323-9935.
Text telephone (TTY) users, call 1-800-833-9935.
GM of Canada also has a Mobility Program.
Call 1-800-GM-DRIVE (463-7483) for details.
All TTY users call 1-800-263-3830.
Roadside Assistance Program
GMC’s Roadside Assistance Provides stranded owners
with over-the-phone roadside repairs, location of the
nearest GMC dealer or the following special services:
Flat Tire Change:Installation of spare tire will be
covered at no charge (customer is responsible for repair
or replacement of tire).
Fuel Delivery:Delivery of enough fuel for the customer
to get to the nearest service station (up to $5.00)
will be covered.
Jump Start:No-start situations which require a battery
jump start will be covered at no charge.
Lock Out:Replacement keys or locksmith service will be
covered at no charge if you are unable to gain entry
into your vehicle. Delivery of the replacement key will be
covered within 10 miles (16 km).
Emergency Towing Service:Towing to the nearest
GMC dealer for warranty related disablements will be
covered.
Trip Routing:Custom-made, computerized highlighted
maps using the most direct or scenic route are
provided free of charge. Maps include points of interest
and a list of GMC dealers along the route. Also
included is a list of hotels along the route that are
discounted through affiliation with“Quest International.”
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2003 - Sonoma OM

Courtesy Transportation
GMC has always exemplied quality and value in its
offering of motor vehicles. To enhance your ownership
experience, we and our participating dealers are
proud to offer Courtesy Transportation, a customer
support program for new vehicles.
The Courtesy Transportation program is offered to retail
purchase/lease customers in conjunction with the
Bumper-to-Bumper coverage provided by the New
Vehicle Limited Warranty. Several transportation options
are available when warranty repairs are required. This will
reduce your inconvenience during warranty repairs.
Plan Ahead When Possible
When your vehicle requires warranty service, you
should contact your dealer and request an appointment.
By scheduling a service appointment and advising
your service consultant of your transportation needs,
your dealer can help minimize your inconvenience.
If your vehicle cannot be scheduled into the service
department immediately, keep driving it until it can be
scheduled for service, unless, of course, the problem is
safety-related. If it is, please call your dealership, let
them know this, and ask for instructions.
If the dealer requests that you simply drop the vehicle off
for service, you are urged to do so as early in the work
day as possible to allow for the same day repair.
Transportation Options
Warranty service can generally be completed while you
wait. However, if you are unable to wait, GMC helps
minimize your inconvenience by providing several
transportation options. Depending on the circumstances,
your dealer can offer you one of the following:
Shuttle Service
Participating dealers can provide you with shuttle
service to get you to your destination with minimal
interruption of your daily schedule. This includes a one
way shuttle ride to a destination up to 10 miles from
the dealership.
Public Transportation or Fuel
Reimbursement
If your vehicle requires overnight warranty repairs,
reimbursement up to $30 per day (ve days 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 reect actual costs and be
supported by original receipts.
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2003 - Sonoma OM

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 an 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 it
is notpart of the New Vehicle Limited Warranty.
A separate booklet entitledWarranty and Owner
Assistance Informationfurnished 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 your dealer for specic 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.
Reporting Safety Defects
Reporting Safety Defects to the
United States Government
If you believe that your vehicle has a defect which could
cause a crash or could cause injury or death, you
should immediately inform the National Highway Traffic
Safety Administration (NHTSA), in addition to notifying
General Motors.
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2003 - Sonoma OM

A
Accessory Power Outlets.................................3-15
Adding Equipment to Your Air Bag-Equipped
Vehicle.......................................................1-63
Adding Washer Fluid.......................................5-38
Additional Program Information........................... 7-8
Additives, Fuel................................................. 5-5
Add-On Electrical Equipment............................5-88
Add-On Equipment..........................................4-48
Adjusting the Speakers
(Balance/Fade)....................3-39, 3-42, 3-49, 3-59
After Off-Road Driving.....................................4-26
Air Bag
Off Light.....................................................3-24
Readiness Light..........................................3-24
Air Bag System..............................................1-54
Adding Equipment to Your Air Bag-Equipped
Vehicle...................................................1-63
Air Bag Off Switch.......................................1-60
How Does an Air Bag Restrain?....................1-58
Servicing Your Air Bag-Equipped Vehicle.........1-63
What Makes an Air Bag Inflate?....................1-58
What Will You See After an Air Bag
Inflates?..................................................1-58
When Should an Air Bag Inflate?...................1-57
Where Are the Air Bags?..............................1-56
Air Cleaner/Filter, Engine.................................5-18
All Overseas Locations...................................... 7-4Aluminum Wheels...........................................5-84
AM ...............................................................3-67
AM-FM Radio.................................................3-37
Antenna, Fixed Mast.......................................3-69
Anti-Lock Brake System.................................... 4-6
Anti-Lock Brake, System Warning Light..............3-28
Appearance Care............................................5-79
Care of Safety Belts....................................5-82
Chemical Paint Spotting...............................5-85
Cleaning the Inside of Your Vehicle................5-79
Cleaning the Outside of Your Vehicle..............5-82
Finish Damage............................................5-85
GM Vehicle Care/Appearance Materials..........5-86
Sheet Metal Damage...................................5-85
Underbody Maintenance
...............................5-85
Weatherstrips
..............................................5-82
Approaching a Hill
..........................................4-18
Ashtrays
........................................................3-16
Assist Handles
...............................................2-50
Audio System(s)
.............................................3-36
AM-FM Radio
.............................................3-37
Care of Your Cassette Tape Player
................3-68
Care of Your CD Player
...............................3-69
Care of Your CDs
........................................3-69
Fixed Mast Antenna
.....................................3-69
Radio with Cassette and CD
.........................3-47
Radio with CD
............................................3-40
Radio with Six-Disc CD
................................3-56
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2003 - Sonoma OM

Audio System(s) (cont.)
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-37
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-36
Theft-Deterrent Feature................................3-67
Understanding Radio Reception.....................3-67
Automatic Headlamp System............................3-11
Automatic Transmission...................................2-22
Fluid..........................................................5-20
Operation...................................................2-25
Automatic Transmission Check..........................6-27
Automatic Transmission Shift Lock Control
System Check.............................................6-29
B
Backing Up....................................................4-58
Battery..........................................................5-42
Battery Replacement......................................... 2-6
Battery Rundown Protection.............................3-15
Bed Rails......................................................2-52
Before Leaving on a Long Trip.........................4-33
Before You Go Off-Roading..............................4-13
Body Lubrication Service..................................6-28
Brake
Parking......................................................2-32
System Inspection.......................................6-32Brake (cont.)
System Warning Light..................................3-27
Brake Adjustment............................................5-41
Brake Fluid....................................................5-39
Brake Pedal Travel.........................................5-41
Brake Wear...................................................5-41
Brakes..........................................................5-39
Braking........................................................... 4-5
Braking in Emergencies..................................... 4-7
Break-In, New Vehicle.....................................2-20
Bulb Replacement...........................................5-50
Center High-Mounted Stoplamp (CHMSL)........5-54
Halogen Bulbs............................................5-50
Headlamps.................................................5-50
One-Piece Front Turn Signal Lamps...............5-52
Replacement Bulbs......................................5-55
Taillamps....................................................5-55
Two-Piece Front Turn Signal Lamps...............5-53
Buying New Tires...........................................5-62
C
California Fuel.................................................. 5-5
Canada........................................................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-6
Capacities and Specifications............................5-94
Carbon Monoxide...................4-36, 4-51, 2-12, 2-37
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2003 - Sonoma OM

Flat Tire........................................................5-67
Flat Tire, Changing.........................................5-68
Fluid
Automatic Transmission................................5-20
Manual Transmission....................................5-23
Power Steering...........................................5-37
Windshield Washer......................................5-38
FM ...............................................................3-67
Fog Lamps ....................................................3-13
Following Distance..........................................4-57
Four-Wheel Drive....................................2-29, 5-48
Front Axle......................................................5-49
Front Map Lamps...........................................3-14
Front Storage Area.........................................2-49
Fuel............................................................... 5-4
Additives...................................................... 5-5
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-8
Filling Your Tank........................................... 5-6
Fuels in Foreign Countries.............................. 5-6
Gage .........................................................3-35
Gasoline Octane........................................... 5-4
Gasoline Specifications.................................. 5-5
Low Warning Light.......................................3-35
System Inspection
.......................................6-31
Fuses
Fuses and Circuit Breakers
...........................5-89
Windshield Wiper
.........................................5-88G
Gage
Check Gages Warning Light..........................3-34
Engine Coolant Temperature.........................3-29
Fuel..........................................................3-35
Oil Pressure...............................................3-32
Speedometer..............................................3-23
Tachometer.................................................3-23
Voltmeter Gage...........................................3-26
Garment Hooks..............................................2-50
Gasoline
Octane........................................................ 5-4
Specifications............................................... 5-5
Getting Familiar with Off-Road Driving................4-16
Glass Surfaces...............................................5-81
Glove Box.....................................................2-41
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-3
Head Restraints............................................... 1-7
Headlamp High/Low-Beam Changer.................... 3-6
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Electrical System.........................................5-88
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2003 - Sonoma OM

Headlamps (cont.)
Halogen Bulbs............................................5-50
One-Piece Front Turn Signal Lamps...............5-52
Two-Piece Front Turn Signal Lamps...............5-53
Heated Seats................................................... 1-5
Heating.........................................................3-18
Highway Hypnosis...........................................4-34
Hill and Mountain Roads..................................4-34
Hitches..........................................................4-56
Hood
Checking Things Under.................................. 5-8
Release....................................................... 5-9
Horn ............................................................... 3-4
How to Add Coolant to the Coolant
Recovery Tank............................................5-32
How to Add Coolant to the Radiator..................5-34
How to Add Fluid....................................5-22, 5-24
How to Check................................5-20, 5-23, 5-59
How to Check and Add Fluid
............................5-25
How to Check Lubricant
..........................5-47, 5-49
How to Check Power Steering Fluid
..................5-37
How to Inspect the Engine Air Cleaner/Filter
.......5-19
How to Use This Manual
...................................... ii
How to Wear Safety Belts Properly
...................1-15
Hydraulic Clutch
.............................................5-24
Hydraulic Clutch System Check
........................6-27
Hydroplaning
..................................................4-30I
If No Steam Is Coming From Your Engine..........5-29
If Steam Is Coming From Your Engine...............5-28
If the Light Is Flashing.....................................3-30
If the Light Is On Steady.................................3-31
If You Are Stuck in Sand, Mud, Ice or Snow.......4-40
If You Do Decide To Pull A Trailer.....................4-52
If You’re Caught in a Blizzard...........................4-38
Ignition Positions.............................................2-20
Ignition Transmission Lock Check......................6-29
Infants and Young Children, Restraints...............1-32
Inflation–Tire Pressure...................................5-58
Inspection
Brake System.............................................6-32
Engine Cooling System................................6-31
Exhaust System..........................................6-31
Fuel System...............................................6-31
Part C - Periodic Maintenance.......................6-31
Steering, Suspension and Front Drive
Axle Boot and Seal..................................6-31
Throttle System...........................................6-32
Transfer Case and Front Axle
(Four-Wheel Drive)...................................6-32
Installing a Garage Door Opener.......................2-43
Instrument Panel
Cluster.......................................................3-21
Overview..................................................... 3-2
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2003 - Sonoma OM

Instrument Panel Brightness.............................3-14
Instrument Panel Fuse Block............................5-89
Interior Lamps................................................3-14
Interior Plastic Components..............................5-81
J
Jump Seat.....................................................1-10
Jump Starting.................................................5-43
K
Key Lock Cylinders Service..............................6-28
Key Release Button........................................2-21
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps
Exterior......................................................3-10
Interior.......................................................3-14
Lamps On Reminder.......................................3-12
Lap Belt................................................1-23, 1-25
Lap-Shoulder Belt...........................................1-16LATCH System
Child Restraints
...........................................1-44
Securing a Child Restraint Designed for the
LATCH System
........................................1-46
Latches, Seatback
............................................ 1-8
Leather
.........................................................5-81
Leaving Your Vehicle
.......................................2-11
Leaving Your Vehicle With the Engine Running
. . . 2-34
Light
Air Bag Off
.................................................3-24
Air Bag Readiness
.......................................3-24
Anti-Lock Brake System Warning
...................3-28
Brake System Warning
.................................3-27
Charging System
.........................................3-26
Check Gages Warning
.................................3-34
Low Fuel Warning
.......................................3-35
Malfunction Indicator
....................................3-29
Safety Belt Reminder
...................................3-23
Security
.....................................................3-33
Service Four-Wheel-Drive Warning Light
.........3-34
Up-Shift
.....................................................3-27
Loading Your Vehicle
.......................................4-46
Loading Your Vehicle for Off-Road Driving
..........4-14
Locking Rear Axle
............................................ 4-7
Lockout Protection
..........................................2-11
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2003 - Sonoma OM