turn signal BUICK CENTURY 2005 Owner's Guide

Taillamps, Turn Signal,
and Stoplamps
1. Open the trunk.
2. Remove the convenience net If the vehicle has one.3. Remove the three plastic wing nuts (A).
One wing nut is located on top 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.
5-50

Back-Up Lamps
1. Open the trunk.
2. Remove the seven hex nuts (A) from the
lamp covering.
3. Remove the lamp covering.
4. Twist and pull the bulb socket (B) from the
lamp assembly.5. Twist and pull the old bulb from the bulb socket.
6. Twist and push the new bulb into the lamp socket.
7. Twist and push the lamp socket into the
lamp assembly.
8. Reverse Steps 2 and 3 to reinstall the
lamp covering.
Replacement Bulbs
Exterior Lamps Bulb Number
Back-Up Lamps 1156
Center High-Mounted
Stoplamp (CHMSL)3155
Front Turn Signal and
Parking Lamps4157NAK
High-Beam Headlamps 9005
Low-Beam Headlamps 9006
Taillamps and
Stoplamps/Turn Signal3057
Taillamp 194
For any bulb not listed here contact your dealer.
5-51

Fuses Usage
Blank Not Used
R/LAMPS Taillamps, License Plate Lamps
Blank Not Used
Blank Not Used
CRUISE Cruise Control
Blank Not Used
CLSTR Instrument Panel Cluster
LTR Cigarette Lighter
STOP LAMPS Stoplamps
ONSTAR OnStar
®
PRK/LGHT Parking Lamps
Blank Not Used
CRNK SIG,
BCM, CLSTRCrank Signal, Body Control Module,
Cluster, Powertrain Control Module
HVACIgnition Signal, Heating, Ventilation,
and Air Conditioning Control Head
BTSI (REGAL) Not Used
AIR BAG Air Bag
Fuses Usage
BCM PWR Body Control Module
HAZARD Hazard Warning Flashers
LH HTD SEAT Not Used
Blank Not Used
BCM ACCYIgnition Signal: Hot in ACCESSORY
and RUN, Body Control Module
Blank Not Used
LOW BLWR Low Blower
ABS Anti-Lock Brakes
TRN SIG Turn Signals, Cornering Lamps
RADIO, HVAC,
RFA, CLSTR
ALDLRadio, Heating Ventilation and
Air Conditioning Head; Remote
Keyless Entry, Cluster
HI BLWR High Blower
RH HTD SEAT Not Used
STR/WHL/
CNTRLAudio Steering Wheel Controls
WPR Windshield Wipers
5-93

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 5-12for more information on location.
Fuses Usage
1 Anti-Lock Brake System
2 Starter Solenoid
3 Power Seat, Rear Window Defogger
4High Blower, Hazard Flasher,
Stoplamps, Power Mirror,
Door Locks
Fuses Usage
5Ignition Switch, Stoplamps,
Anti-Lock Brake System, Turn
Signals, Cluster, Air Bag, Daytime
Running Lamps Module
6 Cooling Fan
7Retained Accessory Power,
Remote Keyless Entry, Data Link,
Heating, Ventilation, and Air
Conditioning Head; Cluster, Radio,
Cigarette Lighter
8Ignition Switch, Wipers, Audio
Steering Wheel Controls, Body
Control Module, Power Windows,
Sunroof, Heating, Ventilation, and
Air Conditioning Controls; Daytime
Running Lamps, Rear Window
Defogger Relay
Relays Usage
9 Cooling Fan 2
10 Cooling Fan 3
11 Starter Solenoid
12 Cooling Fan 1
13 Ignition Main
14 Air Pump (Optional)
5-94

B
Battery..........................................................5-39
Run-Down Protection...................................3-17
Before Leaving on a Long Trip.........................4-22
Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-9
Parking......................................................2-24
System Warning Light..................................3-32
Brakes..........................................................5-36
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-9
Break-In, New Vehicle.....................................2-17
Bulb Replacement...........................................5-47
Back-Up Lamps...........................................5-51
Center High-Mounted Stoplamp (CHMSL)........5-49
Front Turn Signal and Parking Lamps.............5-48
Halogen Bulbs............................................5-47
Headlamp Aiming........................................5-45
Headlamps.................................................5-47
Replacement Bulbs......................................5-51
Taillamps, Turn Signal, and Stoplamps............5-50
Buying New Tires...........................................5-64
C
California Fuel.................................................. 5-6
Canadian Owners................................................ ii
Capacities and Specications............................5-96Carbon Monoxide...................2-12, 2-27, 4-26, 4-38
Care of
Safety Belts................................................5-85
Your Cassette Tape Player............................3-65
Your CD Player...........................................3-66
Your CDs ...................................................3-66
Center High-Mounted Stoplamp (CHMSL)...........5-49
Center Passenger Position, Safety Belts.............1-20
Chains, Tire...................................................5-68
Charging System Light....................................3-32
Check
Engine Light...............................................3-36
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-88
Child Restraints
Child Restraint Systems...............................1-33
Infants and Young Children...........................1-30
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-40
Older Children.............................................1-27
Securing a Child Restraint Designed for
the LATCH System...................................1-42
Securing a Child Restraint in a Center
Rear Seat Position...................................1-44
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-42
Securing a Child Restraint in the Right
Front Seat Position...................................1-46
Top Strap...................................................1-37
2

Headlamp Wiring............................................5-91
Headlamps....................................................5-47
Bulb Replacement.......................................5-47
Daytime Running Lamps/Automatic
Headlamp System....................................3-14
Delayed.....................................................3-13
Flash-to-Pass............................................... 3-8
Front Turn Signal and Parking Lamps.............5-48
Halogen Bulbs............................................5-47
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-13
Heater...........................................................3-18
Heater...........................................................3-21
Highway Hypnosis...........................................4-23
Hill and Mountain Roads..................................4-24
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-12
I
If You Are Stuck in Sand, Mud, Ice or Snow.......4-30
Ignition Positions.............................................2-18
Infants and Young Children, Restraints...............1-30
Ination -- Tire Pressure..................................5-60Instrument Panel
Brightness..................................................3-15
Cluster.......................................................3-29
Overview..................................................... 3-4
Interior Lamps................................................3-15
J
Jump Starting.................................................5-40
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-2
L
Labelling, Tire Sidewall....................................5-54
Lamps
Battery Run-Down Protection.........................3-17
Cornering...................................................3-15
Courtesy....................................................3-15
Dome........................................................3-16
Exterior......................................................3-13
Interior.......................................................3-15
Reading.....................................................3-17
6

Safety Belts (cont.)
Questions and Answers About Safety Belts........1-11
Rear Safety Belt Comfort Guides for
Children and Small Adults.........................1-24
Rear Seat Passengers.................................1-21
Right Front Passenger Position......................1-19
Safety Belt Extender....................................1-26
Safety Belt Use During Pregnancy.................1-19
Safety Belts Are for Everyone......................... 1-6
Shoulder Belt Height Adjuster........................1-18
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seats
Head Restraints............................................ 1-5
Manual........................................................ 1-2
Power Seat.................................................. 1-3
Reclining Seatbacks...................................... 1-4
Split Folding Rear Seat.................................. 1-6
Securing a Child Restraint
Center Rear Seat Position............................1-44
Designed for the LATCH System...................1-42
Rear Outside Seat Position...........................1-42
Right Front Seat Position..............................1-46
Security Light.................................................3-41
Service........................................................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-5
Doing Your Own Work................................... 5-4Service (cont.)
Engine Soon Light.......................................3-36
Publications Ordering Information...................7-11
Vehicle Soon Light.......................................3-42
Servicing Your Airbag-Equipped Vehicle..............1-58
Setting the Time.............................................3-44
Sheet Metal Damage.......................................5-88
Shifting Into Park (P).......................................2-25
Shifting Out of Park (P)...................................2-26
Shoulder Belt Height Adjuster...........................1-18
Signals, Turn and Lane-Change.......................... 3-7
Spare Tire
Installing....................................................5-73
Removing...................................................5-71
Storing.......................................................5-79
Specications, Capacities.................................5-96
Speedometer..................................................3-30
Split Folding Rear Seat..................................... 1-6
Starting Your Engine.......................................2-19
Steering........................................................4-11
Steering Wheel Controls, Audio.........................3-63
Steering Wheel, Tilt Wheel................................. 3-6
Storage Areas
Convenience Net.........................................2-33
Front Storage Area......................................2-33
Glove Box..................................................2-33
Stuck in Sand, Mud, Ice or Snow......................4-30
Sun Visors.....................................................2-15
10

T
Taillamps
Turn Signal, and Stoplamps..........................5-50
Theft-Deterrent, Radio.....................................3-63
Theft-Deterrent Systems...................................2-16
PASS-Key
®II ..............................................2-16
Tilt Wheel........................................................ 3-6
Tire
Pressure Light.............................................3-36
Tires.............................................................5-53
Aluminum Wheels, Cleaning..........................5-87
Buying New Tires........................................5-64
Chains.......................................................5-68
Changing a Flat Tire....................................5-70
Cleaning....................................................5-87
Compact Spare Tire.....................................5-81
If a Tire Goes Flat.......................................5-69
Ination -- Tire Pressure...............................5-60
Inspection and Rotation................................5-63
Installing the Spare Tire................................5-73
Pressure Monitor System..............................5-61
Removing the Flat Tire.................................5-73
Removing the Spare Tire and Tools...............5-71
Storing a Flat or Spare Tire and Tools............5-79
Tire Sidewall Labelling..................................5-54
Tire Terminology and Denitions....................5-57
Uniform Tire Quality Grading.........................5-65Tires (cont.)
Wheel Alignment and Tire Balance.................5-67
Wheel Replacement.....................................5-67
When It Is Time for New Tires......................5-64
Top Strap......................................................1-37
Top Strap Anchor Location...............................1-39
Towing
Recreational Vehicle.....................................4-36
Towing a Trailer..........................................4-38
Your Vehicle...............................................4-36
Traction
Enhanced Traction System (ETS).................... 4-9
Enhanced Traction System (ETS)
Warning Light..........................................3-34
Low Light...................................................3-34
Transaxle
Fluid, Automatic...........................................5-19
Transaxle Operation, Automatic.........................2-21
Trip Odometer................................................3-30
Trunk............................................................2-12
Turn and Lane-Change Signals.......................... 3-7
Turn Signal/Multifunction Lever........................... 3-7
U
Understanding Radio Reception........................3-64
Uniform Tire Quality Grading............................5-65
11