2003 BUICK CENTURY bulb

Center High-Mounted Stoplamp
(CHMSL)
1. Open the trunk.
2. Reach through the access opening in the trunk lid.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.
5-53

Taillamps, Turn Signal, and
Stoplamps1. Open the trunk.
2. If your vehicle is equipped with a convenience net,
remove it.
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.
5-54

Back-Up Lamps
1. Open the trunk lid.
2. Remove the seven wing nuts (A) from the lamp
covering.
3. Remove the lamp covering.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.
5-55

B
Backing Up....................................................4-39
Battery Replacement......................................... 2-8
Battery Rundown Protection.............................3-15
Battery..........................................................5-42
Before Leaving on a Long Trip.........................4-23
Body Lubrication Service..................................6-11
Brake Fluid....................................................5-39
Brake Wear...................................................5-41
Brake............................................................2-26
Parking......................................................2-26
System Inspection.......................................6-15
System Warning Light..................................3-27
Brakes..........................................................5-39
Braking in Emergencies..................................... 4-9
Braking........................................................... 4-6
Break-In, New Vehicle.....................................2-19
Bulb Replacement...........................................5-51
Back-Up Lamps...........................................5-55
Center High-Mounted Stoplamp (CHMSL)........5-53
Front Turn Signal and Parking Lamps.............5-52
Halogen Bulbs............................................5-51
Headlamp Aiming........................................5-49
Headlamps.................................................5-51
Replacement Bulbs......................................5-55
Taillamps, Turn Signal, and Stoplamps............5-54
Buying New Tires...........................................5-62
C
California Fuel.................................................. 5-6
Canada ± Customer Assistance.......................... 7-5
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci®cations............................5-94
Carbon Monoxide...................4-26, 4-35, 2-13, 2-30
Care of.........................................................5-82
Safety Belts................................................5-82
Your Cassette Tape Player............................3-51
Your CD Player...........................................3-52
Your CDs ...................................................3-52
Cassette Tape Messages.................................3-45
Cassette Tape Player Service...........................6-10
Center High-Mounted Stoplamp (CHMSL)...........5-53
Center Passenger Position, Safety Belts.............1-22
Chains, Tires..................................................5-66
Charging System Light....................................3-26
Checking Coolant............................................5-24
Checking Engine Oil........................................5-13
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-63
Check...........................................................3-31
Engine Light...............................................3-31
Chemical Paint Spotting...................................5-85
Child Restraints..............................................1-36
Child Restraint Systems...............................1-36
2

FM ...............................................................3-50
Folding Rear Seat............................................ 1-6
Following Distance..........................................4-39
Footnotes........................................................ 6-5
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-37
Gasoline Octane........................................... 5-5
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-38
System Inspection.......................................6-14
Fuses...........................................................5-89
Fuses and Circuit Breakers...........................5-89
Windshield Wiper.........................................5-88
G
Gage............................................................3-30
Engine Coolant Temperature.........................3-30
Fuel..........................................................3-37
Speedometer..............................................3-24
Gasoline......................................................... 5-5
Octane........................................................ 5-5
Speci®cations............................................... 5-5Glove Box.....................................................2-35
GM Mobility Program for Persons with
Disabilities.................................................... 7-6
H
Hazard Warning Flashers................................... 3-3
Head Restraints............................................... 1-5
Headlamp High/Low-Beam Changer.................... 3-6
Headlamp Wiring............................................5-88
Headlamp......................................................5-49
Aiming.......................................................5-49
Headlamps....................................................5-51
Bulb Replacement.......................................5-51
Front Turn Signal and Parking Lamps.............5-52
Halogen Bulbs............................................5-51
Highway Hypnosis...........................................4-24
Hill and Mountain Roads..................................4-24
Hitches..........................................................4-38
Hood............................................................5-10
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-4
How to Add Coolant to the Coolant
Recovery Tank............................................5-31
How to Add Coolant to the Radiator..................5-33
How to Add Fluid............................................5-22
6

Q
Questions and Answers About Safety Belts.........1-11
R
Radiator Pressure Cap....................................5-26
Radios..........................................................3-39
AM-FM Radio.............................................3-40
Care of Your Cassette Tape Player................3-51
Care of Your CD Player...............................3-52
Care of Your CDs........................................3-52
Radio with Cassette and CD.........................3-42
Setting the Time..........................................3-39
Theft-Deterrent............................................3-48
Understanding Reception..............................3-50
Reading Lamps..............................................3-15
Rear Safety Belt Comfort Guides......................1-27
Rear Seat Outside Passenger Positions.............1-24
Rear Seat Passengers, Safety Belts..................1-24
Rear Window Defogger....................................3-19
Rearview Mirror with OnStar
ž...........................2-32
Rearview Mirrors.............................................2-32
Reclining Seatbacks.......................................... 1-3
Recreational Vehicle Towing.............................4-32
Remote Keyless Entry System, Operation............ 2-5
Remote Keyless Entry System............................ 2-4Remote Trunk Release....................................2-13
Removing the Flat Tire and Installing
the Spare Tire.............................................5-71
Removing the Spare Tire and Tools...................5-68
Removing the Wheel Center Caps....................5-70
Removing the Wheel Covers............................5-70
Replacement Bulbs.........................................5-55
Replacing Brake System Parts..........................5-42
Replacing Restraint System Parts After a Crash.....1-63
Reporting Safety Defects.................................7-10
Canadian Government..................................7-10
General Motors...........................................7-11
United States Government............................7-10
Restraint System Check...................................6-11
Checking Your Restraint Systems...................1-63
Replacing Restraint System Parts After
a Crash..................................................1-63
Restraint Systems...........................................1-63
Checking....................................................1-63
Replacing Parts...........................................1-63
Resynchronization............................................. 2-9
Retained Accessory Power (RAP)......................2-20
Right Front Passenger Position, Safety Belts......1-21
Roadside......................................................... 7-6
Assistance Program....................................... 7-6
Rocking Your Vehicle To Get It Out...................4-31
Running Your Engine While You Are Parked.......2-31
11