How to Adjust the Headlight Height of an A4?

[RichardFitz]

Here is the method to adjust the headlight height of an Audi A4: 1. First, park the car 7.6 meters away from a wall, then turn on the headlights, and adjust the light projection position based on the light's position on the wall. If the model has a manual headlight height adjustment switch, before adjusting the headlights, the headlight height adjustment knob should be set to the '0' position. 2. To set these standard lines on the wall, measure the following three distances of the car's headlight position in advance: distance A is the distance from the center of the low beam to the car's central axis; distance B is the distance from the center of the high beam to the car's central axis; distance C is the distance from the center of the low beam to the ground. 3. Adjusting the light position is achieved by turning the corresponding adjustment knobs on the back of the headlights. The parts that need adjustment and the tools required may vary depending on the specific model. Before adjusting, shine the headlights onto the wall and observe whether the light is misaligned, too high, or too low. 4. A simpler method is to have a person who is 180cm tall stand 7.6 meters in front of the car, and the low beam should not be higher than the person's hips. If it is too high, turn the adjustment knob to correct it.

[StLuna]

Recently I had to adjust the headlight height on my A4 because I felt the beam was too low during night driving, making it hard to see ahead. It's actually quite simple: First, park on level ground, open the hood, and locate the adjustment screw behind the headlight—usually a white or black knob that can be turned with a standard Phillips screwdriver. I turned it clockwise to raise the beam and counterclockwise to lower it. While adjusting, I had a friend sit in the driver's seat to watch the dashboard as I slowly turned the screw until the beam aligned properly on a wall about 10 meters away at the right height. Be careful not to set it too high, as it could blind oncoming drivers and become unsafe. Also, many A4 models come with an automatic leveling system, but manual adjustment is more precise. The whole process took less than half an hour, and I even wiped the dust off the headlight covers—saving money and getting the job done.

[Victor]

Adjusting headlight height is a crucial matter for driving safety. I was taught during driving lessons that improper beam alignment can blind other drivers. For the A4 model, there are usually two screws in the headlight area under the hood, specifically for vertical and horizontal adjustment. I first checked the manual to confirm their locations, then brought a screwdriver to operate in a quiet garage—on level ground, with a line drawn on the wall as a reference, slowly turning the screws until the height was appropriate. It's advisable to have someone assist in monitoring beam changes to avoid over-adjustment. If lacking tools, contact a professional shop as they have alignment boards for precise calibration. Don’t forget to check for loose fuses or wiring. After adjustment, test drive a few rounds to ensure clear nighttime visibility without obstruction.

[LaLena]

To adjust the A4 headlight height, first ensure the car is parked on a level surface and open the hood. Locate the adjustment screw behind the headlight assembly—you can find it by touch. Use a Phillips screwdriver to turn the screw and control the beam height: turning it clockwise raises the beam, while counterclockwise lowers it. Aim at a wall or garage door from a distance of 10 meters, then manually adjust until the light beam position is comfortable. The process is simple, takes just a few minutes, saves time, and helps prevent accidents caused by insufficient lighting. Also, check if the bulb is aging to avoid future issues.