bulb BUICK LACROSSE 2007 User Guide

Service........................................................ 340
Accessories and Modications................... 341
California Proposition 65 Warning.............. 341
Doing Your Own Service Work.................. 342
Adding Equipment to the Outside
of Your Vehicle...................................... 343
Fuel............................................................. 343
Gasoline Octane........................................ 343
Gasoline Specications.............................. 344
California Fuel........................................... 344
Additives................................................... 344
Fuels in Foreign Countries........................ 345
Filling the Tank......................................... 346
Filling a Portable Fuel Container............... 348
Checking Things Under the Hood.............. 348
Hood Release........................................... 349
Engine Compartment Overview.................. 350
Engine Oil................................................. 353
Engine Oil Life System.............................. 356
Engine Air Cleaner/Filter............................ 358
Automatic Transaxle Fluid......................... 360Engine Coolant.......................................... 363
Radiator Pressure Cap.............................. 367
Engine Overheating................................... 367
Overheated Engine Protection
Operating Mode..................................... 370
Cooling System......................................... 370
Power Steering Fluid ................................. 378
Windshield Washer Fluid........................... 380
Brakes...................................................... 381
Battery...................................................... 384
Jump Starting............................................ 385
Headlamp Aiming........................................ 391
Bulb Replacement....................................... 394
Halogen Bulbs........................................... 394
Headlamps and Sidemarker Lamps........... 395
Front Turn Signal and Parking Lamps....... 397
Taillamps, Turn Signal, Sidemarker,
Stoplamps and Back-up Lamps.............. 398
License Plate Lamp................................... 400
Replacement Bulbs................................... 400
Windshield Replacement............................ 401
Section 5 Service and Appearance Care
337

9. Make sure that the light from the headlamp is
positioned at the bottom edge of the horizontal
tape line. The lamp on the left (A) shows
the correct headlamp aim. The lamp on the
right (B) shows the incorrect headlamp aim.
10. Repeat Steps 7 through 9 for the opposite
headlamp.
Bulb Replacement
For the proper type of replacement bulbs, see
Replacement Bulbs on page 400.
For any bulb changing procedure not listed in
this section, contact your dealer.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas
inside and can burst if you drop or
scratch the bulb. You or others could be
injured. Be sure to read and follow the
instructions on the bulb package.
394

Headlamps and Sidemarker Lamps
A. Sidemarker Lamp
B. Low-Beam Headlamp
C. High-Beam Headlamp
Low-Beam Headlamp and
Sidemarker Bulbs
To replace a low-beam headlamp or sidemarker
bulb, do the following:
1. Open the hood. SeeHood Release on
page 349for more information.
2. Remove the fastener from the front fascia.
The fastener is located inboard of the
headlamp assembly, near the high-beam
headlamp.
395

3. Pull up on the plastic retaining clip (C) while
pushing rearward on the headlamp. Align the
square cut-out on the retaining clip with
the notch on the headlamp.
4. Remove the screw (A) from the metal
headlamp retainer to pull up and release the
headlamp assembly.
5. Remove the push pin (B) retaining the front
fascia.6. Pull forward on the front fascia and then pull
the headlamp assembly out from the vehicle.
Moving the headlamp up and down slightly
may help with its removal.
You may have someone assist you with
this step.
7. Remove the access cover from behind the
bulb being replaced.
8. Turn the bulb socket one-quarter of a turn to
remove it from the headlamp assembly.
9. Holding the base of the socket, pull the old
bulb from the socket.
10. Replace with a new bulb.
11. Reverse all the steps to reassemble the
headlamp assembly.
When replacing the plastic retaining clip,
push down on it while pushing rearward on
the headlamp, making sure the headlamp
assembly is secure.
396

High-Beam Headlamp Bulbs
To replace the high-beam headlamp bulb, do the
following:
1. Open the hood. SeeHood Release on
page 349for more information.
2. Locate the high-beam headlamp bulb socket.
3. Remove the access cover from behind the
bulb being replaced.
4. Turn the bulb socket counterclockwise and
pull it from the headlamp assembly.
5. Holding the base of the socket, pull the old
bulb from the socket.
6. Replace with a new bulb.
7. Reverse Steps 2 through 4 to reinstall.
Front Turn Signal and Parking
Lamps
To replace a front turn signal/parking lamp bulb in
the front fascia, do the following:
1. Locate the front turn signal/parking bulb
socket by reaching behind the front bumper.
2. Turn the bulb socket counterclockwise and
pull it out of the assembly.
3. Holding the base of the socket, pull the old
bulb from the socket.
4. Push the new bulb into the socket.
5. Reverse Steps 1 through 3 to reinstall.
397

Taillamps, Turn Signal, Sidemarker,
Stoplamps and Back-up Lamps
To replace a taillamp, turn signal, sidemarker,
stoplamp or back-up lamp bulb, do the following:
1. Open the trunk. SeeTrunk on page 100
for more information.
2. Remove the convenience net if the vehicle
has one.
3. Remove the four plastic wing nuts retaining
the trunk trim. There are two wing nuts
located on the driver’s side (shown) and
two located on the passenger’s side of the
vehicle.
4. Pull back the trunk trim.
398

5. Remove the two wing nuts holding the
taillamp assembly in place.
6. Pull out the taillamp assembly and disconnect
the wiring harness.A. Taillamp
B. Back-up
C. TaillampD. Stoplamp/Taillamp/
Turn Signal
E. Sidemarker
7. Turn the bulb socket counterclockwise to
remove it.
8. Replace with a new bulb.
9. Turn the bulb socket clockwise to reinstall.
10. Reverse these steps to reinstall the
taillamp assembly.
399

License Plate Lamp
To replace one of these bulbs, do the following:
1. Remove the two screws holding each of
the license plate lamps to the fascia.
2. Turn and pull the license plate lamp forward
through the fascia opening.
3. Turn the bulb socket counterclockwise and
pull the bulb straight out of the socket.
4. Install the new bulb.
5. Reverse Steps 1 through 3 to reinstall the
license plate lamp.
Replacement Bulbs
Exterior Lamps Bulb Number
Back-Up Lamps 921
Fog Lamp H11
Front Turn Signal and
Parking Lamps3157NAK
Headlamps
High-Beam H9
Low-Beam H11
Front/Rear Sidemarker,
License Plate Lamp,
and Taillamp194
Stoplamps and Taillamps 3057
For replacement bulbs not listed here, contact
your dealer.
400

Audio System(s).......................................... 238
Audio Steering Wheel Controls................. 280
Backglass Antenna................................... 283
Care of Your CD Player........................... 282
Care of Your CDs.................................... 282
Chime Level Adjustment........................... 284
Radio with CD........................240, 245, 252
Radio with Six-Disc CD............................ 260
Setting the Time...................................... 239
Theft-Deterrent Feature............................ 280
Understanding Radio Reception............... 281
XM™ Satellite Radio Antenna System...... 284
Automatic Door Lock..................................... 98
Automatic Transaxle
Fluid........................................................ 360
Operation................................................. 114
B
Backglass Antenna...................................... 283
Battery........................................................ 384
Electric Power Management..................... 163
Exterior Lighting Battery Saver................. 160
Run-Down Protection............................... 164
Before Leaving on a Long Trip.................... 310Brake
Anti-Lock Brake System (ABS)................. 291
Emergencies............................................ 293
Parking.................................................... 117
System Warning Light.............................. 186
Brakes........................................................ 381
Braking....................................................... 290
Braking in Emergencies............................... 293
Break-In, New Vehicle................................. 109
Bulb Replacement....................................... 394
Front Turn Signal and Parking Lamps...... 397
Halogen Bulbs......................................... 394
Headlamp Aiming..................................... 391
License Plate Lamps................................ 400
Replacement Bulbs.................................. 400
Taillamps, Turn Signal, Sidemarker,
Stoplamps, and Back-Up Lamps........... 398
Buying New Tires........................................ 418
498

G
Gage
Engine Coolant Temperature.................... 189
Fuel......................................................... 198
Speedometer........................................... 181
Tachometer.............................................. 181
Garage Door Opener................................... 130
Gasoline
Octane..................................................... 343
Specications........................................... 344
Glove Box................................................... 141
GM Mobility Reimbursement Program.......... 483
H
Hazard Warning Flashers............................ 150
Head Restraints............................................ 13
Headlamp
Aiming..................................................... 391
Headlamp Wiring......................................... 449
Headlamps
Bulb Replacement.................................... 394
Daytime Running Lamps/Automatic
Headlamp System................................ 159Headlamps (cont.)
Flash-to-Pass........................................... 153
Front Turn Signal and Parking Lamps...... 397
Halogen Bulbs......................................... 394
Headlamps and Sidemarker Lamps.......... 395
High/Low Beam Changer......................... 153
Suggested Light....................................... 196
Headlamps and Sidemarker Lamps............. 395
Heated Seats................................................ 10
Heater......................................................... 168
Heater......................................................... 172
Highbeam On Light..................................... 196
Highway Hypnosis....................................... 311
Hill and Mountain Roads............................. 312
Hood
Checking Things Under............................ 348
Release................................................... 349
Horn............................................................ 150
How to Use This Manual ................................ 3
How to Wear Safety Belts Properly............... 21
503