1993 Buick Park Avenue Owner's Manual - Page 269

Turn the bulb socket1/4 turn counter-clockwise, while pressing it firmly. Remove wire connector from the bulb by lifting the lock tab and pulling it away from the plastic base. Taillamp Bulb Replacement To reassemble, attach thewire connector (A) to the plastic base making sure the lock tab (B) is over the lock (C). Install the bulbby putting the small tab(D) into the small notch in the lamp (E). Turn the bulb socket 1/4 turn clockwise to lock into place. Open the trunk. On either side of the rear of the trunk are two plastic nuts. Remove only the sidethat you need to access. Pull the carpet back away from the rear area.