Cadillac ESCALADE EXT 2002 Manual page 354

If your vehicle is damaged in an accident, the headlamp
aim may be affected. Aim adjustment to the low beam
may be necessary if it is difficult to see lane markers
(for horizontal aim), or if oncoming drivers flash their
high beams at you (for vertical aim). If you believe
your headlamps need to be re
that you take your vehicle to your dealer for service.
However, it is possible for you to re
headlamps as described in the following procedure.
NOTICE:
To make sure your headlamps are aimed
properly, read all the instructions before
beginning. Failure to follow these instructions
could cause damage to headlamp parts.
6-42
-
aimed, we recommend
-
aim your
The vehicle should be properly prepared as follows:
D
The vehicle should be placed so the headlamps are
25 ft. (7.6 m) from a light colored wall or other flat
surface.
D
The vehicle must have all four tires on a perfectly
level surface which is level all the way to the wall or
other flat surface.
D
The vehicle should be placed so it is perpendicular to
the wall or other flat surface.
D
The vehicle should not have any snow, ice or mud
attached to it.
D
The vehicle should be fully assembled and all other
work stopped while headlamp aiming is being done.
D
The vehicle should be normally loaded with a full
tank of fuel and one person or 160 lbs. (75 kg) on the
driver's seat.
D
Tires should be properly inflated.
D
Start the vehicle and rock it to level the suspension.
Headlamp aiming is done with the vehicle low beam
lamps. The high beam lamps will be correctly aimed if
the low beam lamps are aimed properly.