Cadillac 2004 Seville - Manual (Page 311)

Headlamp Horizontal Aiming
Turn the horizontal aiming
screw (A) until the
indicator (B) is lined up
with zero.
Once the horizontal aim is adjusted, then adjust the
vertical aim.
Headlamp Vertical Aiming
Notice: Horizontal aiming must be performed
before making any adjustments to the vertical aim.
Adjusting the vertical aim first will result in an
incorrect headlamp aim.
1. Find the aim dot on the lens of the low
beam lamps.
2. Measure the distance from the ground to the aim
dot on each low beam lamp. Record this distance.
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