Horizontal Aim Adjustment; Vertical Aim Adjustment - Lincoln Town Car 1998 Owner's Manual

Maintenance and care
The horizontal aim must be
adjusted first. You will need one 4
mm box wrench or open end
wrench.
The following procedure assumes
that the vehicle's front structure is
properly aligned. If the vehicle has
been in an accident requiring the
front end of the vehicle to be
repaired, the horizontal indicator
should be recalibrated by the
service facility.

Horizontal aim adjustment

1. With the hood open, locate the
horizontal indicator and adjusting
screw.
2. Use a 4 mm wrench to turn the
horizontal adjusting screw until the
reference mark on the reflector
extension aligns with the "0"
reference mark on the horizontal
indicator when viewed directly
from above.
3. When the horizontal aim has
been adjusted, close the headlamp
access panel.

Vertical aim adjustment

The numbers shown on the vial
indicate beam direction in degrees
up or down.
1. Do not adjust the vertical aim
until after adjusting the horizontal
aim.
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