
Seats and Restraint Systems........................... 1-1
Front Seats
............................................... 1-2
Rear Seats
............................................... 1-8
Safety Belts
.............................................. 1-9
Child Restraints
.......................................1-29
Air Bag Systems
......................................1-49
Restraint System Check
............................1-58
Features and Controls..................................... 2-1
Keys
........................................................ 2-2
Doors and Locks
....................................... 2-7
Windows
.................................................2-13
Theft-Deterrent Systems
............................2-15
Starting and Operating Your Vehicle
...........2-17
Mirrors
....................................................2-32
OnStar
žSystem
......................................2-34
Storage Areas
.........................................2-35
Sunroof
..................................................2-36
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-2
Climate Controls
......................................3-17
Warning Lights, Gages and Indicators
.........3-21
Audio System(s)
.......................................3-36Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and Your Vehicle
..... 4-2
Towing
...................................................4-30
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-4
Checking Things Under
the Hood
.............................................5-10
Bulb Replacement
....................................5-45
Windshield Wiper Blade Replacement
.........5-50
Tires
......................................................5-51
Appearance Care
.....................................5-71
Vehicle Identi®cation
.................................5-79
Electrical System
......................................5-80
Capacities and Speci®cations
.....................5-85
Normal Maintenance Replacement Parts
......5-86
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance Information.................... 7-1
Customer Assistance Information
.................. 7-2
Reporting Safety Defects
............................ 7-9
INDEX................................................................1
2003 Chevrolet Cavalier Owner ManualM

Service............................................................5-3
Doing Your Own Service Work.........................5-3
Adding Equipment to the Outside of Your
Vehicle......................................................5-4
Fuel................................................................5-4
Gasoline Octane............................................5-4
Gasoline Speci®cations....................................5-5
California Fuel...............................................5-5
Additives.......................................................5-5
Fuels in Foreign Countries...............................5-6
Filling Your Tank............................................5-7
Filling a Portable Fuel Container.......................5-9
Checking Things Under
the Hood....................................................5-10
Hood Release..............................................5-10
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-14
Engine Air Cleaner/Filter................................5-18
Automatic Transaxle Fluid..............................5-20
Manual Transaxle Fluid..................................5-20
Hydraulic Clutch...........................................5-21
Engine Coolant.............................................5-22
Coolant Surge Tank Pressure Cap..................5-24
Engine Overheating.......................................5-25
Cooling System............................................5-27Power Steering Fluid.....................................5-33
Windshield Washer Fluid................................5-34
Brakes........................................................5-35
Battery........................................................5-39
Jump Starting...............................................5-40
Bulb Replacement..........................................5-45
Halogen Bulbs..............................................5-45
Headlamps..................................................5-45
Front Turn Signal and Parking Lamps..............5-47
Taillamps and Turn Signal Lamps...................5-48
Back-Up Lamps............................................5-49
Replacement Bulbs.......................................5-49
Windshield Wiper Blade Replacement..............5-50
Tires..............................................................5-51
In¯ation -- Tire Pressure................................5-52
Tire Inspection and Rotation...........................5-53
When It Is Time for New Tires.......................5-54
Buying New Tires.........................................5-55
Uniform Tire Quality Grading..........................5-56
Wheel Alignment and Tire Balance..................5-57
Wheel Replacement......................................5-57
Tire Chains..................................................5-59
If a Tire Goes Flat........................................5-60
Changing a Flat Tire.....................................5-61
Compact Spare Tire......................................5-70
Section 5 Service and Appearance Care
5-1

Bulb Replacement
For the type of bulb to use, seeReplacement Bulbs on
page 5-49.
For any bulb changing procedure not listed in this
section, contact your dealer.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas inside
and can burst if you drop or scratch the bulb.
You or others could be injured. Be sure to read
and follow the instructions on the bulb
package.
Headlamps
To replace one of the headlamps, do the following:
1. Remove the plastic fasteners from the shield. Use a
tool to pry up the center of the fastener. Be careful
not to break the fasteners that hold the shield in
place.
5-45

6. Remove the bulb by
pulling it straight out.
7. Snap a new bulb into the socket.
8. Reinstall the bulb assembly by reversing Steps 1
through 5.Front Turn Signal and Parking
Lamps
To replace the turn signal and parking lamp, do the
following:
1. Follow Steps 1 and 2 under
Headlamps on
page 5-45.
2. Hold down the tab at
the top of the bulb
retainer. Twist
the retainer one-eighth
of a turn
counterclockwise and
pull the assembly out.
3. Remove the bulb by pulling the bulb straight out.
4. Snap in a new bulb.
5. Reinstall the bulb assembly by reversing
Steps 1 and 2.
5-47

Automatic Transaxle........................................2-19
Fluid..........................................................5-20
Operation...................................................2-22
B
Backing Up....................................................4-38
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-15
Battery..........................................................5-39
Before Leaving on a Long Trip.........................4-21
Body Lubrication Service..................................6-20
Brake Fluid....................................................5-35
Brake Wear...................................................5-37
Brake............................................................2-26
Parking......................................................2-26
System Inspection.......................................6-24
System Warning Light..................................3-26
Brakes..........................................................5-35
Braking in Emergencies..................................... 4-8
Braking........................................................... 4-6
Break-In, New Vehicle.....................................2-17
Bulb Replacement...........................................5-45
Back-Up Lamps...........................................5-49
Front Turn Signal and Parking Lamps.............5-47
Halogen Bulbs............................................5-45
Headlamps.................................................5-45Bulb Replacement (cont.)
Replacement Bulbs......................................5-49
Taillamps and Turn Signal Lamps..................5-48
Buying New Tires...........................................5-55C
California Fuel.................................................. 5-5
Caliper/Knuckle MaintenanceInspection.............6-24
Canada ± Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Canceling the Rear Door Security Lock............... 2-9
Capacities and Speci®cations............................5-85
Carbon Monoxide...........4-24, 4-34, 4-40, 2-10, 2-30
Care of.........................................................5-74
Safety Belts................................................5-74
Your Cassette Tape Player............................3-77
Your CD Player...........................................3-78
Your CDs ...................................................3-78
Cassette Tape Messages.................................3-72
Cassette Tape Player Service...........................6-19
CD Adapter Kits.............................................3-73
Center Console Storage Area...........................2-35
Chains, Tires..................................................5-59
Charging System Light....................................3-25
Check Engine Light.........................................3-30
2

Fuel (cont.)
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-35
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
System Inspection.......................................6-23
Fuses...........................................................5-81
Fuses and Circuit Breakers...........................5-81
Windshield Wiper.........................................5-81
G
Gage............................................................3-34
Check Gages Warning Light..........................3-34
Engine Coolant Temperature.........................3-29
Fuel..........................................................3-35
Speedometer..............................................3-23
Tachometer.................................................3-23
Gasoline......................................................... 5-4
Octane........................................................ 5-4
Speci®cations............................................... 5-5
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-3
Head Restraints............................................... 1-5Headlamp High/Low-Beam Changer.................... 3-6
Headlamp Wiring............................................5-81
Headlamps....................................................5-45
Bulb Replacement.......................................5-45
Front Turn Signal and Parking Lamps.............5-47
Halogen Bulbs............................................5-45
Highway Hypnosis...........................................4-22
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-37
Hood............................................................5-10
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-4
How the System Alarm is Activated...................2-15
How to Add Coolant to the Coolant Surge Tank . . 5-29
How to Check and Add Fluid............................5-21
How to Check Power Steering Fluid..................5-33
How to Check................................................5-52
How to Detect a Tamper Condition....................2-16
How to Inspect the Engine Air Cleaner/Filter.......5-19
How to Turn Off the System Alarm....................2-16
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydraulic Clutch System Check........................6-20
Hydraulic Clutch.............................................5-21
Hydroplaning..................................................4-18
6