Cadillac seville 2000 Benutzerhandbuch

4. Turn on the low beam headlamps and cover the lamp

not being evaluated. The ambient light should allow
the beam cut off to be seen on the wall.

5. Turn the vertical aiming screw (C) until the 

headlamp beam is aimed to the horizontal line. 
It is recommended to cover the lamp that is not 
being evaluated to better see the beam being aimed.