Oldsmobile cutlass supreme 1996 Owner's Manual page 256

4. If the bubble isn't on
0 (zero), turn the
vertical aiming screw
to adjust the aim.
Center High-Mounted Stoplamp
(2-Door Models)
1. Remove two screws and the cover.
2. Unclip the bulb carrier and pull it out.
0
To remove the stoplamp lens to clean the
window, remove the two nuts on either side of
the housing.