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25 feet (7.6 m).C
Horizontal reference line.D
1. Park your vehicle directly in front of a wall
or screen on a level surface,
approximately 25 ft (7.6 m) away.
2. Measure the height from the center of
your headlamp, indicated by a 3
millimeter circle on the lens, to the
ground and mark an 8 ft (2.4 m)
horizontal reference line on the vertical
wall or screen at this height, a piece of
masking tape works well.
3. Switch on the low beam headlamps to
illuminate the wall or screen and open
the hood. Cover one of the headlamps
so no light hits the wall.
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4. On the wall or screen, observe a light
pattern with a distinct horizontal edge
toward the right. If this edge is not at the
horizontal reference line, adjust the beam
so the edge is at the same height as the
horizontal reference line.
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5. Locate the vertical adjuster on each
headlamp. Use a #2 Phillips screwdriver
to turn the adjuster either
counterclockwise or clockwise in order
to adjust the vertical aim of the
headlamp.
6. Repeat Steps 3 through 7 to adjust the
other headlamp.
7. Close the hood and turn off the lamps.
Horizontal Aim Adjustment
Horizontal aim is not required for this vehicle
and is not adjustable.
427
2022 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202109, First-Printing
Maintenance
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