1998 Oldsmobile Aurora Owner's Manual - Page 289

If you find that the headlamp aiming needs adjustment, follow these steps: Start with the vertical headlamp aim. Don't try to adjust the horizontal aim first. Adjustment screws can be turned with an E8 Torx@socket or T15 Torx screwdriver. i I 2. After the vertical aim is correct, check the horizontal aim for eachheadlamp and adjust as necessary. Turn the horizontalaiming screw until the pointer is lined up with the 0 (zero). 3. Visually recheck the vertical aim, to make sure itis still correct after the horizontal adjustment. aim Readjust, if necessary. 1. Check the vertical aim for each headlamp. The vehicle must be parked on a level surface. Turn the vertical aiming screw until thebubble in the level is centered at0 (zero). 6-37