2003 Cadillac Seville Owner's Manual - Page 302

b w v G 1 a nlv=aulalllp to improve bear;; cut-off when aiming. Covering a headlamp may cause excessive heat build-up which may cause damage to the headlamp. m=uwwe. Alnfha- nn nnt uu I n u L e n - s n u ' J kn-rll-mn I 4. Turn on the low-beam headlamps and place a piece of cardboard or equivalent in front of the headlamp not being aimed. This should allow only the beam of light from the headlamp being aimed to be seen on the flat surface. 5-53