User Manual - Page 191

For LINCOLN 1999 NAVIGATOR.

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REPLACING THE INTERIOR BULBS
Check the operation of the following interior bulbs frequently:
interior overhead lamp
map lamp
AIMING THE HEADLAMPS
Your vehicle is equipped with a
Vehicle Headlamp Aim Device
(VHAD) on each headlamp. Each
headlamp may be properly aimed in
the vertical (up/down) and the
horizontal (left/right) directions
using your VHAD system. The
headlamps on your vehicle are
properly aimed at the assembly
plant.
A bubble (vertical indicator) that is
not centered between the two red
lines does not necessarily indicate
out-of-aim headlamps. If your
vehicle is not positioned on a level surface, the slope will be included in
the vertical indication. Therefore, vertical and horizontal headlamp
adjustment should be performed only when the beam direction appears
to be incorrect.
You will need one 4 mm wrench or socket to make the adjustments.
If the vehicle has been in an accident, the vehicle’s front structure
should be properly aligned before aiming the headlamps.
Horizontal aim adjustment
1. Park the vehicle on a level
surface.
2. With the hood open, locate the
horizontal indicator and the
adjusting screw. They are located
below the viewing hole at the rear
of the headlamp assembly.
3.Usea4mmwrench or socket to
turn the horizontal adjusting screw
U
D
Maintenance and care
191
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