2003 Hyundai Sonata Adjust the Headlights

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The Sonata is a popular and economical mid-sized sedan sold in the U.S. by Hyundai Motors. The Sonata first debuted in 1989, and the design has been steadily improved since that time. Proper alignment of the headlights is important on any vehicle for motoring safety. On occasion, the Sonata's headlight alignment may require adjustment, and Sonata owners can save money and a trip to the auto mechanic's shop by learning to make this adjustment themselves.

[edit] Tools Used

Tools
Screwdriver
Chalk line and chalk

[edit] Adjust the Headlights

  • Park the vehicle on flat, level ground squarely facing a blank wall 10 feet away. Be sure the vehicle tires are properly inflated and there are no heavy objects stored in the vehicle.
  • Draw a horizontal line on the wall 25 1/2 inches above the ground, using the chalk. The line should extend a couple of feet wider than the vehicle on either side. Mark the line at the center of the vehicle, and place vertical marks at 26 inches and 24 1/2 inches on either side of the center mark.
  • Open the vehicle hood. Turn the ignition key to the "On" position and turn on the low-beam headlights only.
  • Check where the headlights appear brightest on the wall. With the low beams only, the brightest point of the light should be apparent where the outer vertical lines cross the horizontal line. If it is not, locate the adjusting screws on the back of the headlight housing. There are separate adjusters for horizontal and vertical alignment. Turn the appropriate adjusters with a screw driver in order to bring the lights into alignment.
  • Turn on the high beams. The brightest point of the high beam lights should be where the inner vertical lines cross the horizontal line. If it is not, locate the adjusting screws on the back of the headlight housing. There are separate adjusters for horizontal and vertical alignment. Turn the appropriate adjusters with a screw driver in order to bring the lights into alignment.

[edit] Tips & Warnings

  • Do the work in the twilight of early morning or evening so that it is easier to evaluate the headlight direction.
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