2008 Buick LaCrosse Owner's Manual - Page 331

License Plate Lamp To replace one of these bulbs: 1. Remove the screws for either of the license plate lamps. 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 Back-Up Lamps Rear Sidemarker, License Plate Lamp, and Taillamp Stoplamps and Taillamps Bulb Number 921 194 3057 For replacement bulbs not listed here, contact your dealer/retailer. 2. Turn and pull the license plate lamp forward through the fascia opening. 5-61