Acura 3.5 RL Manual page 1109

Headlights
Adjustment ('99 - 04 models)
CAUTION: Headlights become very hot in use; do not
touch them or any attaching hardware immediately
after they have been turned off.
Before adjusting the headlights:
• Park the vehicle on a level surface.
• Make sure the tire pressures are correct.
• The driver or someone who weighs the same should
sit in the driver's seat.
1. Clean the outer lens so that you can see the center
of the headlights.
2. Park the vehicle in front of a wall or a screen.
SCREEN
7.5 m (25 ft)
3. Open the hood.
CENTER
4. Turn the low beams on.
5. Determine if the headlights are aimed properly.
Vertical adjustment:
Measure the height of the headlights (A). The lights
should reflect 52 mm (2.1 in.) below (B) the head-
light height.
Horizontal adjustment: ('99 - 00 models)
The width of the refracting points (C) should be the
same as the width of the headlight central points (D,
E).
6. If necessary, adjust the headlights to local require-
ments by turning the horizontal adjuster and the
vertical adjuster.
HORIZONTAL
ADJUSTER ('99 - 00 models)
VERTICAL
ADJUSTER