Buick 2007 LaCrosse - Manual (Page 392)

Headlamp aiming is done with the vehicle’s
low-beam headlamps. The high-beam headlamps
will be correctly aimed if the low-beam headlamps
are aimed properly.
The vertical headlamp aiming screws are located
under the hood near the headlamps.
The adjustment screw can be turned with a
6 mm male hex.
To adjust the vertical aim on the headlamps,
do the following:
1. Open the hood. See Hood Release on
page 349 for more information.
2. Locate the aim dot on the lens of the
low-beam headlamp.
3. Measure the distance from the ground to
the aim dot on the low-beam headlamp.
Record the distance.
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