1999 Buick Park Avenue Owner's Manual - Page 300

yellowblue Rear Turn Signals/Stoplamps/Back-Up Lamps 1. There are four studs located at the edge of the trunk lid. Remove the protective vinyl caps from the studs. 2. Use a 10 mm wrench to remove the nuts from the studs. Turn lamps, stoplamps and back-up bulbs are located behind the taillamp assembly along the trunk lid. The following instructions explain how to access these bulbs. 6-42