1998 Buick Century Owner's Manual - Page 294

2. Using an E8 Tom@socket, turn the horizontal aiming adjustment screw (B) until the "0" (zero) on the pointer is lined up with the center marking on the horizontal block index plate (C). Center High-Mounted Stoplamp 1 . Open the trunk. 3. To adjust the vertical aim, use an E8 Tom@socket and turn the vertical aiming adjustment screw until the bubble inside the level (D) is centered at "0" (zero). Front Parking and lhrn Signal Lamp 1. Remove the headlamp assembly. Refer to the removal procedure earlier in this section. 2. Remove the rubber bulb access cover. 3. Twist and pull the sidemarker lamp socket from the headlamp assembly. 4. Holding the base of the bulb, pull the bulb from the socket. 5 . Push the new bulb into the socket. 2. Reach through the access opening in the trunk. 6. Put the socket back into the headlamp assembly and turn it tothe right until it is secure. 7. Replace the rubber bulb access cover. 6-34