2001 Buick Park Avenue Owner's Manual - Page 302

2. Turn the vertical aiming screw (C) until the level bubble (D) is lined up with zero. Front Turn Signal 1. Remove the headlamp assembly as described in the headlamp removal procedure previously in this section. 2. 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 one-quarter turn counterclockwise and pull it out. 3. Remove the old bulb by pulling it straight out of the socket. 4. Replace the bulb and turn the bulb assembly back into place. 6-39