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Headlamp Aiming Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Open the hood.
  2. Measure from the floor to the center of the headlamp bulb. Some headlamps have an aim dot marked on the headlamp lens.
  3. At the screen, measure from the floor and place the horizontal tape at the measured distance.
  4. Measure from the reference line on the floor to the left headlamp bulb centerline.
  5. At the screen, measure from the reference line and place the vertical tape at the measured distance.
  6. Measure from the reference line on the floor to the right headlamp bulb centerline.
  7. At the screen, measure from the reference line and place the vertical tape at the measured distance.
    Fig 1: Measuring Distance From Floor To Center Of Headlamp Bulb
    G01503264Courtesy of GENERAL MOTORS CORP.

    Important:  DO NOT cover the headlamp, this may cause excessive heat build up.

  8. Turn on the low beam headlamps and block the light from projecting onto the screen from the passenger side headlamp.
    Fig 2: Blocking Passenger Side Headlamp From Projecting Onto Screen
    G01503265Courtesy of GENERAL MOTORS CORP.
  9. Adjust the horizontal aim screw (2) and vertical aim screw (1) of the headlamps to the specifications required by the state and the local authorities, or as shown in step number 8.
  10. Repeat the aiming procedure for the passenger side headlamp while blocking the light from projecting onto the screen from the driver side headlamp.
  11. Turn the headlamps OFF.
  12. Close the hood.
    Fig 3: Locating Horizontal Aim Screw And Vertical Aim Screw Of Headlamp
    G01503266Courtesy of GENERAL MOTORS CORP.
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