Cadillac 2009 XLR Automobile User Manual


 
Headlamp Vertical Aiming
To properly prepare the vehicle for vertical headlamp
aiming, see Headlamp Aiming on page 6-42 for
more information.
Notice: Horizontal aiming must be performed
before making any adjustments to the vertical aim.
Adjusting the vertical aim first will result in an
incorrect headlamp aim.
To adjust the vertical aim:
1. Open the hood. See Hood Release on page 6-11
for more information.
2. Locate the aim dot on the inner projector lens of the
low-beam headlamp.
3. Measure the distance from the ground to the aim
dot on each low-beam headlamp. Record this
distance.
4. At the wall or other flat surface, measure from the
ground upward (A) to the recorded distance from
Step 3 and mark it.
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.
5. Draw or tape a horizontal line (B) on the wall or flat
surface the width of the vehicle at the height of the
mark in Step 4.
6. Turn on the low-beam headlamps and place a
piece of cardboard in front of the headlamp not
being aimed. This should allow only the beam of
light from the headlamp being aimed to be seen on
the flat surface.
6-43