Make a second horizontal line or the A-A line below the H-H line. Use a 10 mm socket to level the beam pattern with the A-A line to turn the adjuster. Do the same for the opposite headlight. Remember that Peterbilt semi trucks’ low and high beams move with one another. You can only adjust the low beams. Measure the distance between the ground and the centre of the headlight beam. It will help you determine the proper aiming height. Adjust the aim of the headlights by turning the adjustment screws or levers on the back of the headlight assembly. Make minor adjustments and re-test the aim until the beams are correctly aligned. Attach masking tape vertically to the wall in reference to the vehicle centerline and the centerlines of each headlight. Step 03. Now position a long piece of tape horizontally in reference to the centerline of all headlights. Step 04. Move the car straight back to a point 8 metres (25 feet) from the wall. Step 05. 8. Draw the vertical lines on the paper where the headlights (low beam center marks) of the vehicle are to be. (V RH and LH lines) 9. Turn the head lights ON. 10. Check that the head lights light up the paper as shown in the illustration. 11. When the paper is not lighted up properly, adjust the lights in the vertical direction. 1. Using your chalk, mark the top of the hot spot when your headlights are "on" on the wall. 2. Adjust accordingly to the height you want it to be at. (at a 25 ft distant, I raised the top of my hot spot up approximately 5inches from the original line.) about 40x quarter turns. 3. If you have any uncertainty then take it to a Tesla SC or a garage and get them to do it. Here's how to adjust Tesla Model 3 and Model Y headlights (video) +1 On adjusting them Properly. Don't be one of those people who drive around with their high-beams on all the time - that's essentially what you are doing if you adjust your low beams way up. Step by step guide to adjust LED headlights. Both of your headlight lenses should be cleaned. Drive as near to a flat wall or surface as possible. Make sure you’re parking on flat ground. Shake the vehicle to make sure the suspension system is in place. Inflate all tires to their allotted psi capacity and have someone sit in the driver’s So once the mark fixed on the wall open the hood of your Ford Fusion in order to adjust the headlights. Locate the adjacent optic screw and adjust by turning right to left to adjust the height. The objective is for the light beams of your Ford Fusion to be just below the mark to sufficiently illuminate the road without dazzling. Phastek has the question of the best way to aim your headlights often. While we realize that every truck is different - some have lifts, some are lowered,etc The easiest way how you can give lighten up the headlights is by clicking on the Controls > Lights > Exterior Light/Headlights. And then, pick a mode to ensure headlights are on based on your preference: ON: Turn on the low-beam headlights on both sides. AUTO: The left and right headlights automatically turn on when driving in low-lighting states. hw6c9t.