2011 Cadillac DTS Owner's Manual - Page 347

7. Locate the vertical headlamp aiming screws. They are located under the hood near each headlamp assembly. First lift the flap to access either of them. Each one is the top outboard screw by the "V" on the cover panel next to the aiming flap. The adjustment screw can be turned with a 6 mm hex wrench. 8. Turn the vertical aiming screw until the headlamp beam is aimed to the horizontal tape line. Turn it clockwise or counterclockwise to raise or lower the angle of the beam. The top edge of the cut-off should be positioned at the bottom edge of the horizontal tape line. 9. Make sure that the light from the headlamp is positioned at the bottom edge of the horizontal tape line. The lamp on the left (A) shows the correct headlamp aim. The lamp on the right (B) shows the incorrect headlamp aim. 10. Repeat Steps 7 through 9 for the opposite headlamp. 6-45