2003 BUICK REGAL wheel

Underhood Fuse Block
Some fuses and relays are located in the underhood
fuse block on the passenger’s side of the vehicle in the
engine compartment. SeeEngine Compartment
Overview on page 5-10or more information on location.
Fuses Usage
1 Anti-Lock Brake System
2 Starter Solenoid
3Power Seats, Rear Window
Defogger Heated Seats
4High Blower, Hazard Flasher,
Stoplamps, Power Mirror, Door
Locks
5Ignition Switch, BTSI, Stoplamps,
Anti-Lock Brake System, Turn
Signals, Cluster, Air Bag, Daytime
Running Lamps Module
6 Cooling Fan
7Retained Accessory Power, Keyless
Entry, Data Link, Heating Ventilation
Air Conditioning Head, Cluster,
Radio, Auxiliary Power (Power
Drop), Cigarette Lighter
8Ignition Switch, Wipers, Radio,
Steering Wheel Controls, Body
Control Module, Auxiliary Power
(Power Drop), Power Windows,
Sunroof, Heating Ventilation Air
Conditioning Controls, Daytime
Running Lamps, Rear Window
Defogger Relay
5-90
2003 - Regal OM

Capacities and Specications
Capacities and Specications
ApplicationCapacities
English Metric
Air Conditioning Refrigerant R134a 2.4 lbs 1.1 kg
Automatic Transaxle
Pan Removal and Replacement
After Complete Overhaul
When draining/replacing converter, morefluid will be needed.7.4 quarts
10.0 quarts7.0 L
9.5 L
Cooling System Including Reservoir 11.7 quarts 11.0 L
Engine Oil with Filter 4.5 quarts 4.3 L
Fuel Tank 17.0 gallons 64.0 L
Wheel Nut Torque 100 lb ft 140Y
All capacities are approximate. When adding, be sure tofill to the approximate level, as recommended in this
manual. SeePart D: Recommended Fluids and Lubricants on page 6-16.
Engine Specications
Engine VIN Code Displacement Firing Order
3800 V6
3800 Supercharged V6K
1231 CID 1–6–5–4–3–2
5-92
2003 - Regal OM

Overseas – Customer Assistance
Please contact the local General Motors Business Unit.
Mexico, Central America and
Caribbean Islands/Countries (Except
Puerto Rico and U.S. Virgin Islands) –
Customer Assistance
General Motors de Mexico, S. de R.L. de C.V.
Customer Assistance Center
Paseo de la Reforma # 2740
Col. Lomas de Bezares
C.P. 11910, Mexico, D.F.
01-800-508-0000
Long Distance: 011-52-53 29 0 800
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.
7-5
2003 - Regal OM

A
Accessory Power Outlets.................................3-15
Activating the Theft-Deterrent Feature................3-55
Adding Washer Fluid.......................................5-38
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-5
Add-On Electrical Equipment............................5-86
Adjusting the Speakers (Balance/Fade)......3-47, 3-51
Air Bag
Readiness Light..........................................3-30
Air Bag Systems.............................................1-46
How Does an Air Bag Restrain?....................1-52
Servicing Your Air Bag-Equipped Vehicle.........1-54
What Makes an Air Bag Inflate?....................1-51
What Will You See After an Air Bag Inflates?......1-52
When Should an Air Bag Inflate?...................1-51
Where Are the Air Bags?..............................1-49
Air Cleaner/Filter, Engine.................................5-18
Aluminum or Chrome-Plated Wheels..................5-82
AM ...............................................................3-57
Antenna, Backglass.........................................3-59
Anti-lock Brake System (ABS)............................ 4-7
Anti-Lock Brake, System Warning Light..............3-32
Appearance Care............................................5-77
Care of Safety Belts....................................5-80
Chemical Paint Spotting...............................5-83
Cleaning the Inside of Your Vehicle................5-78Appearance Care (cont.)
Cleaning the Outside of Your Vehicle..............5-80
Finish Damage............................................5-83
GM Vehicle Care/Appearance Materials..........5-84
Sheet Metal Damage...................................5-83
Underbody Maintenance...............................5-83
Weatherstrips..............................................5-80
Ashtrays........................................................3-17
Audio System(s).............................................3-44
Audio Steering Wheel Controls......................3-57
Backglass Antenna......................................3-59
Care of Your Cassette Tape Player
................3-58
Care of Your CD Player
...............................3-59
Care of Your CDs
........................................3-59
Radio with Cassette
.....................................3-45
Radio with Cassette and CD
.........................3-49
Setting the Time
..........................................3-45
Theft-Deterrent Feature
................................3-55
Understanding Radio Reception
.....................3-57
Automatic Operation
........................................3-20
Automatic Transaxle
Fluid
..........................................................5-20
Operation
...................................................2-21
Automatic Transaxle Check
..............................6-11
Automatic Transaxle Shift Lock Control
System Check
.............................................6-12
Auxiliary Power Connection (Power Drop)
...........3-16
1
2003 - Regal OM

Power
Accessory Outlets........................................3-15
Auxiliary Connection.....................................3-16
Door Locks.................................................2-10
Drop ..........................................................3-16
Electrical System.........................................5-86
Six-Way Seats.............................................. 1-3
Steering Fluid.............................................5-36
Windows....................................................2-15
Power Steering...............................................4-12
Programmable Automatic Door Locks.................2-10
Programmable Modes......................................2-10
Q
Questions and Answers About Safety Belts.........1-11
R
Radiator Pressure Cap....................................5-25
Radios..........................................................3-44
Care of Your Cassette Tape Player................3-58
Care of Your CD Player...............................3-59
Care of Your CDs ........................................3-59
Radio with Cassette.....................................3-45
Radio with Cassette and CD.........................3-49Radios (cont.)
Setting the Time..........................................3-45
Theft-Deterrent............................................3-55
Understanding Reception..............................3-57
Reading Lamps..............................................3-15
Rear Safety Belt Comfort Guides......................1-24
Rear Seat Outside Passenger Positions.............1-21
Rear Seat Passengers, Safety Belts..................1-21
Rear Window Defogger............................3-19, 3-23
Rearview Mirror, Automatic Dimming..................2-32
Rearview Mirror, Automatic Dimming
with OnStar
®..............................................2-32
Rearview Mirror with OnStar®...........................2-31
Rearview Mirrors.............................................2-31
Reclining Seatbacks.......................................... 1-4
Recreational Vehicle Towing
.............................4-31
Remote Keyless Entry System
............................ 2-3
Remote Keyless Entry System, Operation
............ 2-4
Remote Trunk Release
....................................2-12
Removing the Flat Tire and Installing
the Spare Tire
.............................................5-70
Removing the Spare Tire and Tools
...................5-67
Removing the Wheel Center Caps
....................5-69
Removing the Wheel Covers
............................5-70
Replacement Bulbs
.........................................5-55
Replacing Brake System Parts
..........................5-42
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2003 - Regal OM

Sensors.........................................................3-22
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-4
Doing Your Own Work................................... 5-3
Engine Soon Light.......................................3-35
Publications Ordering Information...................7-10
Vehicle Soon Light.......................................3-41
Service Bulletins.............................................7-11
Service Engine Soon Light...............................3-35
Service Manuals.............................................7-10
Setting Preset Stations............................3-46, 3-50
Setting the Time.............................................3-45
Setting the Tone (Bass/Treble)..................3-47, 3-51
Sheet Metal Damage.......................................5-83
Shift Lock Release..........................................2-27
Shifting Into Park (P).......................................2-25
Shifting Out of Park (P)...................................2-27
Shoulder Belt Height Adjuster...........................1-14
Skidding........................................................4-16
Some Other Rainy Weather Tips.......................4-20
Special Fabric Cleaning Problems.....................5-79
Specifications, Capacities.................................5-92
Speedometer..................................................3-28
Split Folding Rear Seat
..................................... 1-6
Starter Switch Check
.......................................6-12
Starting Your Engine
.......................................2-19Steering........................................................4-12
Steering in Emergencies..................................4-13
Steering, Suspension and Front Drive Axle Boot
and Seal Inspection.....................................6-14
Steering Tips..................................................4-12
Steering Wheel Controls, Audio.........................3-57
Storage Areas
Center Console Storage Area........................2-35
Convenience Net.........................................2-36
Glove Box..................................................2-35
Storing the Flat Tire and Tools..........................5-75
Storing the Spare Tire and Tools.......................5-76
Stuck in Sand, Mud, Ice or Snow......................4-30
Sun Visors.....................................................2-15
Sunroof.........................................................2-36
T
Tachometer....................................................3-29
Taillamps
Turn Signal, and Stoplamps..........................5-53
TCS Warning Light..........................................3-33
Theft-Deterrent, Radio.....................................3-55
Theft-Deterrent Systems...................................2-16
PASS-Key
®II ..............................................2-16
Throttle System Inspection...............................6-15
Tilt Wheel........................................................ 3-5
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2003 - Regal OM

Tire
Pressure Light.............................................3-35
Tire Inflation Check.........................................6-10
Tires.....................................................5-56, 5-82
Buying New Tires........................................5-61
Chains.......................................................5-65
Changing a Flat Tire....................................5-66
Compact Spare Tire
.....................................5-77
If a Tire Goes Flat
.......................................5-66
Inflation -- Tire Pressure
...............................5-57
Inspection and Rotation
................................5-59
Pressure Monitor System
..............................5-58
Uniform Tire Quality Grading
.........................5-62
Wheel Alignment and Tire Balance
.................5-63
Wheel Replacement
.....................................5-63
When It Is Time for New Tires
......................5-60
To Use the Engine Coolant Heater
....................2-20
Top of the Instrument Panel
.............................5-80
Top Strap
......................................................1-36
Top Strap Anchor Location
...............................1-37
Torque Lock
...................................................2-26
Total Weight on Your Vehicle’s Tires
..................4-37Towing
Recreational Vehicle.....................................4-31
Towing a Trailer..........................................4-35
Your Vehicle...............................................4-31
Traction
Control System (TCS)..................................4-10
Control System Warning Light.......................3-33
Full-Range Control System............................. 4-9
Low Light...................................................3-33
Trailer Brakes.................................................4-38
Transaxle
Fluid, Automatic...........................................5-20
Transaxle Operation, Automatic.........................2-21
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-10
Transportation Options...................................... 7-8
Trip Odometer................................................3-28
Trunk............................................................2-12
Trunk Assist Handle........................................2-13
Trunk Lock....................................................2-12
Turn and Lane-Change Signals.......................... 3-6
Turn Signal/Multifunction Lever........................... 3-5
Turn Signals When Towing a Trailer..................4-40
14
2003 - Regal OM

U
Underbody Flushing Service.............................6-13
Underhood Fuse Block....................................5-90
Understanding Radio Reception........................3-57
Uniform Tire Quality Grading............................5-62
United States–Customer Assistance.................. 7-4
Unlocking the Theft-Deterrent Feature After a
Power Loss................................................3-55
Used Replacement Wheels..............................5-64
Using Cleaner on Fabric..................................5-79
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-33
Service Soon Light......................................3-41
Symbols......................................................... iv
Vehicle Identification
Number (VIN).............................................5-85
Service Parts Identification Label...................5-86
Vehicle Storage..............................................5-42
Ventilation Adjustment
......................................3-24Vinyl.............................................................5-79
Visor Vanity Mirror..........................................2-15
Visors...........................................................2-15
W
Warning Lights, Gages and Indicators................3-26
Warnings
Hazard Warning Flashers............................... 3-4
Other Warning Devices.................................. 3-4
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washer Fluid, Low Warning Light......................3-40
Washing Your Vehicle......................................5-81
Weatherstrip Lubrication...................................6-11
Weight of the Trailer........................................4-36
Weight of the Trailer Tongue.............................4-37
What Kind of Engine Oil to Use........................5-15
What Kind of Oil to Use..................................5-18
What to Do with Used Oil ................................5-17
What to Use ..................................5-23, 5-37, 5-38
Wheels
Alignment and Tire Balance..........................5-63
Replacement...............................................5-63
When to Add Engine Oil..................................5-14
15
2003 - Regal OM