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Headlamp Aiming: Notes

The screen method is preferred for aiming headlamps. If the headlamp is equipped with aiming pads, headlamp aiming may be performed using the alternate procedure.

Headlamp aiming is done with the vehicle's low beam lamps. The high beam lamps will be correctly aimed if the low beam lamps are aimed properly. If the high beam needs adjustment, follow the screen method using the high beam bulb as the reference for measurements.

Fig 1: Headlamp Aiming Procedure (Screen Method)
G01566231Courtesy of GENERAL MOTORS CORP.