2008 Buick Lucerne Owner's Manual - Page 326

To replace an auxiliary taillamp or back-up lamp bulb: 1. Open the trunk. See Trunk on page 2-13 for more information. License Plate Lamp To replace one of these bulbs: 1. Remove the license plate. 2. Reach up through the opening above the license plate to access the two license plate lamps. 3. Turn the socket counterclockwise to remove. 4. Grasp the bulb in the socket and pull straight out. 5. Push the bulb straight into the socket until it clicks to secure it. 6. Reverse Steps 1 through 3 to reinstall the bulb socket. 2. Remove the three fasteners from the trunk trim. 3. Pull back the trunk trim to access the bulbs. 4. Turn the bulb socket counterclockwise to remove it. 5. Pull the bulb straight out. 6. Replace the bulb and reinstall it in the assembly by turning it clockwise. 5-58