2007 Buick Rainier Owner's Manual - Page 406

7. Push the new bulb into the socket until it clicks. 8. Reinstall the socket plate and tighten the three screws. 9. Reconnect the wiring harness. 10. Reinstall the taillamp assembly by lining up the locator pins with the retainers in the vehicle's body. 11. Reinstall the two screws and tighten. 4. Unclip the wiring harness (A) and remove the three socket retaining screws (B). 5. Remove the socket plate. 6. Holding the socket, pull the old bulb to release it from the socket. 406