2005 Buick LeSabre Owner's Manual - Page 291

7. Turn the bulb socket one-quarter turn counterclockwise, while pressing it firmly. Taillamps and Back-Up Lamps 1. Open the trunk. See Trunk on page 2-14 for more information. 8. Pull the bulb socket straight out of the assembly. 9. Remove the old bulb by pulling it straight out. 10. Replace with a new bulb by pushing the bulb straight into the socket until the bulb clicks into place. 11. Turn the bulb socket one-quarter turn into the assembly to lock it back into place. 12. Reverse Steps 1 through 5 to reinstall the lamp assembly. 2. Loosen and remove the seven fasteners that hold the taillamp assembly in place. The assembly for both sides is one piece. The entire piece must be removed to replace any bulbs. 5-51