2003 Buick LeSabre Owner's Manual - Page 304

3. At the wall or other fiat surface, measure from the 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 theaim dot onthe lens of the low beam lamps. ground upward the recorded distance from Step 2 and draw or tape a horizontal line the width of the vehicle. # - - - - 2. Measure the distance from the ground to the aim dnt nn each !amp; if !eft !E\! he%!?, EL!htEC! twn inches. Record this distance. 5-53