2009 BUICK LACROSSE turn signal

A. Taillamp
B. Stoplamp/Taillamp/Turn
Signal LampC. Sidemarker Lamp
D. Taillamp
E. Back-up Lamp
7. Turn the bulb socket counterclockwise to remove it.
8. Pull the old bulb straight out of the bulb socket.
9. Push the new bulb straight into the bulb socket until
it clicks.
10. Turn the bulb socket clockwise to reinstall.
11. Reconnect the wiring harness.12. Push the taillamp assembly back into place on the
vehicle.
13. Turn the two wing nuts clockwise to reinstall them.
14. Place the trunk trim to its original location.
15. Turn the four plastic wing nuts clockwise to reinstall
them back into their original location.
16. Return the convenience net to its original location.
5-51

TPMS Sensor Matching Process
Each TPMS sensor has a unique identication code.
Any time you replace one or more of the TPMS sensors
or rotate the vehicle’s tires, the identication codes need
to be matched to the new tire/wheel position. The sensors
are matched, to the tire/wheel positions, in the following
order: driver side front tire, passenger side front tire,
passenger side rear tire, and driver side rear tire using
a TPMS diagnostic tool. See your dealer/retailer for
service.
The TPMS sensors may also be matched to each
tire/wheel position by increasing or decreasing the tire’s
air pressure. When increasing the tire’s pressure, do
not exceed the maximum ination pressure indicated on
the tire’s sidewall. To decrease the tire’s air-pressure
use the pointed end of the valve cap, a pencil-style
air pressure gage, or a key.
You have two minutes to match each tire and wheel
position. If it takes longer than two minutes to match
any tire and wheel position, the matching process
stops and you need to start over.
The TPMS sensor matching process is outlined below:
1. Set the parking brake.
2. Turn the ignition switch to ON/RUN with the
engine off.3. Press the Remote Keyless Entry (RKE) transmitter’s
LOCK and UNLOCK buttons at the same time for
approximately ve seconds. The horn sounds twice
to signal the receiver is in relearn mode and the
TPMS sensor matching process can begin.
4. Start with the driver side front tire.
5. Remove the valve cap from the tire’s valve
stem. Activate the TPMS sensor by increasing or
decreasing the tire’s air pressure for 10 seconds,
or until a horn chirp sounds. The horn chirp, which
may take up to 30 seconds to sound, conrms that
the sensor identication code has been matched to
the tire/wheel position.
6. Proceed to the passenger side front tire, and repeat
the procedure in Step 5.
7. Proceed to the passenger side rear tire, and repeat
the procedure in Step 5.
8. Proceed to the driver side rear tire, and repeat the
procedure in Step 5.
9. After hearing the conrming horn chirp for the driver
side rear tire, the horn chirps two more times to
signal the tire learning process has ended. Turn
the ignition switch to LOCK/OFF.
10. Set all four tires to the recommended air
pressure level as indicated on the tire and loading
information label.
11. Put the valve caps back on the valve stems.
5-66

Fuses Usage
DR/LCK
TRUNKDoor Locks, Trunk
HAZRD Turn Signal, Hazard
HTD/MIR Heated Mirrors
HTD/SEAT Heated Seats
HVAC Climate Control System
INT/ILLUM Interior Lamps
ONSTAR/ALDL OnStar
®, Data Link
PRK/LAMP Park Lamps
PRK/SWTCH Ignition Key Lock
PWR/MIR Power Mirrors
PWR/SEAT Power Seats
PWR/WNDW Power Window
RDO/AMP Radio, Amplier
Fuses Usage
RFA/MOD Remote Keyless Entry
S/ROOF Sunroof
STR/WHL/
ILLUMSteering Wheel Controls Illumination
Relays Usage
RAP Retained Accessory Power
PRK/LAMP Park Lamp Relay
R/DEFOG Rear Defogger Relay
Underhood Fuse Block
Some fuses and relays are located in the underhood
fuse block on the passenger side of the vehicle in
the engine compartment. SeeEngine Compartment
Overview on page 5-12for more information on location.
Notice:Spilling liquid on any electrical components
on the vehicle may damage it. Always keep the
covers on any electrical component.
5-101

Audio System(s).............................................3-83
Automatic Door Lock.......................................2-10
Automatic Transmission
Fluid..........................................................5-22
Operation...................................................2-26
B
Backglass Antenna........................................3-113
Battery..........................................................5-40
Electric Power Management..........................3-18
Exterior Lighting Battery Saver......................3-15
Run-Down Protection...................................3-19
Bluetooth
®.....................................................3-99
Brake
Emergencies................................................ 4-5
Brake Fluid....................................................5-37
Brakes..........................................................5-37
System Warning Light..................................3-35
Braking........................................................... 4-4
Braking in Emergencies..................................... 4-5
Break-In, New Vehicle.....................................2-21
Bulb Replacement...........................................5-49
Halogen Bulbs............................................5-49
Headlamp Aiming........................................5-46
License Plate Lamps....................................5-52Bulb Replacement (cont.)
Replacement Bulbs......................................5-52
Taillamps, Turn Signal, Sidemarker,
Stoplamps, and Back-Up Lamps.................5-50
Buying New Tires...........................................5-69
C
Calibration.....................................................3-54
California Fuel.................................................. 5-6
California Perchlorate Materials
Requirements............................................... 5-4
California Proposition 65 Warning....................... 5-4
Canadian Owners................................................ ii
Capacities and Specications..........................5-106
Carbon Monoxide...........................2-12, 2-33, 4-17
Care of
Safety Belts................................................5-93
CD, MP3 .......................................................3-95
Center Console Storage Area...........................2-47
Center Seat..................................................... 1-7
Chains, Tire...................................................5-75
Charging System Light....................................3-35
Check
Engine Lamp..............................................3-40
Check Gas Cap Light......................................3-47
Checking Things Under the Hood......................5-10
2

Setting the Clock............................................3-82
Sheet Metal Damage.......................................5-97
Shifting Into Park............................................2-29
Shifting Out of Park........................................2-32
Signals, Turn and Lane-Change.......................... 3-8
Spare Tire
Compact....................................................5-89
Installing....................................................5-79
Removing...................................................5-78
Storing...............................................5-84, 5-87
Specications, Capacities...............................5-106
Speedometer..................................................3-32
Split Folding Rear Seat..................................... 1-7
StabiliTrak
®System.......................................... 4-6
Start Vehicle, Remote....................................... 2-7
Starting the Engine.........................................2-23
Steering........................................................4-10
Steering Wheel Controls, Audio.......................3-110
Steering Wheel, Tilt Wheel................................. 3-6
Storage Areas
Center Console Storage Area........................2-47
Convenience Net.........................................2-48
Cupholders.................................................2-47
Glove Box..................................................2-47
Stuck in Sand, Mud, Ice, or Snow.....................4-19
Sun Visors.....................................................2-16
Sunroof.........................................................2-48
T
Tachometer....................................................3-32
Taillamps
Turn Signal, Sidemarker, Stoplamps, and
Back-Up Lamps.......................................5-50
TCS Warning Light..........................................3-37
Theater Dimming............................................3-17
Theft-Deterrent, Radio....................................3-110
Theft-Deterrent Systems...................................2-16
Content Theft-Deterrent................................2-17
PASS-Key
®III+ Electronic Immobilizer............2-18
PASS-Key®III Electronic Immobilizer
Operation................................................2-19
Tilt Wheel........................................................ 3-6
Time, Setting..................................................3-82
Tire
Pressure Light.............................................3-39
Tires.............................................................5-54
Aluminum or Chrome-Plated Wheels,
Cleaning.................................................5-96
Buying New Tires........................................5-69
Chains.......................................................5-75
Changing a Flat Tire....................................5-76
Cleaning....................................................5-97
Compact Spare Tire.....................................5-89
Different Size..............................................5-71
12

Tires (cont.)
If a Tire Goes Flat.......................................5-76
Ination - Tire Pressure................................5-61
Inspection and Rotation................................5-67
Installing the Spare Tire................................5-79
Pressure Monitor Operation...........................5-64
Pressure Monitor System..............................5-62
Removing the Flat Tire.................................5-79
Removing the Spare Tire and Tools...............5-78
Storing a Flat or Spare Tire
and Tools........................................5-84, 5-87
Tire Sidewall Labeling..................................5-55
Tire Terminology and Denitions....................5-58
Uniform Tire Quality Grading.........................5-72
Wheel Alignment and Tire Balance.................5-74
Wheel Replacement.....................................5-74
When It Is Time for New Tires......................5-68
Towing
Recreational Vehicle.....................................4-26
Towing a Trailer..........................................4-28
Your Vehicle...............................................4-26
Traction
Control System (TCS).................................... 4-7
Control System Warning Light.......................3-37
Enhanced Traction System (ETS).................... 4-8
Enhanced Traction System (ETS)
Warning Light..........................................3-37
StabiliTrak
®System....................................... 4-6Transmission
Fluid, Automatic...........................................5-22
Transmission Operation, Automatic....................2-26
Trunk............................................................2-12
Trunk Ajar Light..............................................3-45
Turn and Lane-Change Signals.......................... 3-8
Turn Signal/Multifunction Lever........................... 3-7
U
Ultrasonic Rear Parking Assist (URPA)...............2-37
Uniform Tire Quality Grading............................5-72
Universal Home Remote System.......................2-43
Operation...................................................2-43
V
Vehicle
Control........................................................ 4-3
Loading......................................................4-20
Running While Parked..................................2-34
Service Soon Light......................................3-45
Symbols......................................................... iii
Vehicle Data Recording and Privacy..................7-17
Vehicle Identication
Number (VIN).............................................5-98
Service Parts Identication Label...................5-98
13