Pontiac 2002 Bonneville Owner's Manual page 336

NOTICE:
Do not cover a headlamp to improve beam
-
cut off when aiming. Covering a headlamp may
cause excessive heat build
damage to the headlamp.
-
up which may cause
6. Repeat Steps 4 and 5 for the opposite headlamp.
5. Turn the vertical aiming
screw (C) until the
headlamp beam is aimed
to the horizontal tape
line. The top edge of the
-
cut off should be
positioned at the bottom
edge of the horizontal
tape line.
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