Measurement A: From the ground to the geometric center of one of the headlight lenses
Measurement B: From one of the low beam headlights to the vehicle centerline.
(Also measure from high beam center to vehicle centerline for 4 headlight systems)
Note these measurements.
On a piece of masking tape, draw one horizontal line on the wall at a height exactly 2 inches lower than
Measurement A.
On the line, make vertical marks both to the right and left of the vehicle centerline mark at the distance
of Measurement B from the vehicle centerline vertical line.
Turn the headlights on and adjust the vertical aim of the headlights so that the top horizontal cutoff of
each of the beams is located along the horizontal line drawn on the wall.
Adjust the horizontal aim of the low beam headlights so that the point at which the top cutoff of the
beam begins to slope upwards is located at the vertical marks.
Alignment Specifications
Take your new car to an alignment shop and have the car aligned properly before hitting the track. A
minor flaw in alignment can cause very "twitchy" handling. Avoid temptation and never drive a car
without proper alignment.
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