2011 Buick LaCrosse Owner's Manual - Page 347

Vehicle Care 6. Install the bulb socket by turning clockwise one‐quarter turn. 7. If a headlamp bulb was replaced, install the dust cover in the back of the headlamp housing by turning clockwise one‐quarter turn. 10-35 Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps 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) Lighting on page 10‑33 for more information. To replace one of these bulbs: 1. Open the hood. See Hood on page 10‑5. A. DRL Lamp B. Parking/Turn Signal Lamp 2. Turn the bulb socket counterclockwise to remove it from the headlamp assembly. 3. Pull the bulb straight out from the socket. 4. Push the new bulb into the socket and reinstall the socket into the headlamp assembly by turning it clockwise. A. Turn Signal Lamp B. Back-Up Lamp To replace one of these lamps: 1. Open the trunk. See Trunk on page 2‑12. 2. Remove fasteners and pull back the trunk trim.