2003 BUICK REGAL bulb

Front Turn Signal and Parking
Lamps
1. Remove the headlamp assembly. Refer to the
removal procedure earlier in this section.
2. Remove the rubber bulb access cover.
3. Twist the sidemarker lamp socket, located on the
outboard side of the headlamp assembly,
counterclockwise and pull it from the headlamp
assembly.
4. Holding the base of the socket, pull the old bulb
from the socket.
5. Push the new bulb into the socket.
6. Reverse Steps 1 through 3 to reinstall the lamp
assembly.
Center High-Mounted
Stoplamp (CHMSL)
1. Open the trunk.
2. Reach through the access opening in the trunk lid.
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2003 - Regal OM

3. Remove the old bulb by turning it one-quarter turn
counterclockwise.
4. Push the new bulb into the bulb socket.
5. Turn the socket one-quarter turn clockwise to
reinstall.
Taillamps, Turn Signal, and
Stoplamps
1. Open the trunk.
2. If your vehicle is equipped with a convenience net,
remove it.
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3. Remove the three plastic wing nuts (A).
There is one wing nut located on the outside of the
carpet. The other two are located underneath
the carpet.
4. Pull the taillamp housing (B) away from the body of
the vehicle.
5. Squeeze the tab on the socket and turn the socket
counterclockwise.
6. Pull out the socket.
7. Pull the old bulb out of the socket. (There are two
bulbs on each taillamp.)
8. Push in a new bulb.
9. Reverse these steps to reinstall the lamp assembly.Back-Up Lamps
1. Open the trunk lid.
2. Remove the seven wing nuts (A) from the lamp
covering.
3. Remove the lamp covering.
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4. Twist and pull the bulb socket (B) from the trunk lid.
5. Twist and/or pull the old bulb from the bulb
socket.
6. Twist and/or push the new bulb into the lamp
socket.
7. Twist and/or push the lamp socket into the trunk lid
covering.
8. Reverse Steps 2 and 3 to reinstall the lamp
covering.
Replacement Bulbs
Exterior Lamps Bulb Number
Back-Up 1156
Center High-Mounted Stoplamp
(CHMSL)3155
Front Turn Signal and Parking
Lamps4157NAK
Headlamps, High Beam 9005
Headlamps, Low Beam 9006
Taillamps and Stoplamps/Turn
Signal3057
Taillamp 194
For any bulb not listed here contact your dealer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected at least
twice a year for wear or cracking. See“Wiper Blade
Check”underPart B: Owner Checks and Services on
page 6-10for more information.
1. Turn on the wipers to LO.
2. Turn off the ignition while the wipers are at the
outer positions of the wiper pattern. The blades
are more accessible for removal/replacement while
in this position.
3. Pull the windshield wiper arm 3 to 4 inches
(7.5 to 10 cm) away from the windshield.
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2003 - Regal OM

B
Backglass Antenna..........................................3-59
Backing Up....................................................4-39
Battery..........................................................5-42
Battery Replacement......................................... 2-8
Battery Rundown Protection.............................3-15
Before Leaving on a Long Trip.........................4-23
Body Lubrication Service..................................6-11
Brake
Parking......................................................2-24
System Inspection.......................................6-15
System Warning Light..................................3-31
Brake Fluid....................................................5-39
Brake Wear...................................................5-41
Brakes..........................................................5-39
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-17
Bulb Replacement...........................................5-50
Back-Up Lamps...........................................5-54
Center High-Mounted Stoplamp (CHMSL)........5-52
Front Turn Signal and Parking Lamps.............5-52
Halogen Bulbs............................................5-50Bulb Replacement (cont.)
Headlamp Aiming........................................5-48
Headlamps.................................................5-51
Replacement Bulbs......................................5-55
Taillamps, Turn Signal, and Stoplamps............5-53
Buying New Tires...........................................5-61
C
California Fuel.................................................. 5-5
Canada–Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Specifications............................5-92
Carbon Monoxide...................4-26, 4-35, 2-12, 2-29
Care of
Safety Belts................................................5-80
Your Cassette Tape Player
............................3-58
Your CD Player
...........................................3-59
Your CDs
...................................................3-59
Cassette Tape Messages
.........................3-49, 3-52
Cassette Tape Player Service
...........................6-10
Center Console Storage Area
...........................2-35
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2003 - Regal OM

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 .........................................................3-41
Gasoline Octane........................................... 5-4
Gasoline Specifications.................................. 5-5
Low Warning Light.......................................3-42
System Inspection.......................................6-15
Full-Range Traction Control System..................... 4-9
Fuses
Fuses and Circuit Breakers...........................5-87
Windshield Wiper.........................................5-86
G
Gage
Engine Coolant Temperature.........................3-34
Fuel..........................................................3-41
Speedometer..............................................3-28
Tachometer.................................................3-29
Gasoline
Octane........................................................ 5-4
Specifications............................................... 5-5Glass Surfaces...............................................5-80
Glove Box.....................................................2-35
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-5
Headlamp
Aiming .......................................................5-48
Headlamp High/Low-Beam Changer.................... 3-6
Headlamp Wiring
............................................5-86
Headlamps
....................................................5-51
Bulb Replacement
.......................................5-50
Front Turn Signal and Parking Lamps
.............5-52
Halogen Bulbs
............................................5-50
Heated Seats
................................................... 1-3
Highway Hypnosis
...........................................4-24
Hill and Mountain Roads
..................................4-24
Hitches
..........................................................4-38
Hood
Checking Things Under
.................................. 5-8
Release
....................................................... 5-9
Horn
............................................................... 3-5
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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