1998 Buick Park Avenue Owner's Manual - Page 310

The fiont turn signal bulbs can be accessed by removing the headlamp assembly as described in the previous procedure. Once the headlamp assembly has been removed, reach down from the top of the vehicle and, while pressing the lock tab on the socket, turn the socket onequarter of a turn and pull it out. 5. Reverse the above steeps to reassemble ahe Bamp assembly. When reassembling the lamp, make sure to align the pin at the outboapd edge of the headlamp assembly to the plastic retainer atthe outboard edge of the vehicle. Remove the old bulb by pulling it straight out of the socket. Replace the bulb m turn the bulb assembly d back into place.