Chevrolet 2010 Camaro Owner's Manual page 268

9-36 Vehicle Care
Notice: Do not cover a headlamp
to improve beam cut-off when
aiming. Covering a headlamp may
cause excessive heat build-up
which may cause damage to
the headlamp.
6. Turn on the low-beam
headlamps and place a piece of
cardboard or equivalent in front of
the headlamp not being adjusted.
This allows only the beam of light
from the headlamp being adjusted
to be seen on the flat surface.
Halogen Headlamp
HID Headlamp
7. Locate the vertical headlamp
aiming screws, which are
under the hood near each
headlamp assembly.
The adjustment screw can be
turned with a 6 mm hex key.
8. Turn the vertical aiming screw
until the headlamp beam is aimed
to the horizontal tape line. Turn it
clockwise or counterclockwise
to raise or lower the angle of
the beam.
9. Make sure that the light from
the headlamp is positioned at
the bottom edge of the horizontal
tape line. The lamp on the left (A)
shows the correct headlamp aim.
The lamp on the right (B) shows
the incorrect headlamp aim.
10. Repeat Steps 6 through 9 for
the opposite headlamp.