Buick LaCrosse: Base Headlamp Assembly - Headlamps, Front Turn Signal and Parking Lamps - Bulb Replacement - Vehicle Care - Buick LaCrosse Owners ManualBuick LaCrosse: Base Headlamp Assembly

The base model vehicle has a halogen high-beam headlamp, a low-beam/Daytime Running Lamp (DRL) headlamp, and a turn signal/parking lamp on the headlamp assembly.

For replacement of the turn signal/parking lamp bulb on an eAssist vehicle, contact your dealer.

To replace one of these bulbs:

1. Open the hood. See Hood.

A. Low-Beam Headlamp/DRL

A. Low-Beam Headlamp/DRL
B. High-Beam Headlamp
C. Parking/Turn Signal Lamp

2. If replacing a headlamp bulb, remove the dust cover from the back of the headlamp housing by turning counterclockwise one-quarter turn.

3. If replacing a turn signal/parking lamp bulb on a non-eAssist vehicle, remove the close out panel push pins and close out panel covering the bulb socket.

4. Remove the bulb socket from the headlamp by turning counterclockwise one-quarter turn.

5. Remove the bulb from the socket. If replacing the high/low-beam bulb, pry the two clips on either end of the bulb and pull straight out.

6. Install the new bulb in the socket.

7. Install the bulb socket by turning clockwise one-quarter turn.

8. If a headlamp bulb was replaced, install the dust cover in the back of the headlamp housing by turning clockwise one-quarter turn.

    Uplevel Headlamp Assembly
    The uplevel model vehicle has a high intensity discharge (HID) high/low beam, a dedicated DRL, and a parking/turn signal lamp on the headlamp assembly. See High Intensity Discharge (HID) Light ...

    See also:

    Check spark plugs and ignition system
    Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...

    Exterior Care
    Follow all label and container directions when using a chemical cleaner or polish. Read all warnings and cautions. Maintaining the Finish Washing CAUTION: When the wiper lever is in the AUTO posi ...

    Interior rearview mirror
    Auto-dim function An integrated sensor reacts to headlights from following traffic and automatically reduces glare in the mirror. ...