1. The steps of adjust car headlightsNow, many friends like to change headlight by themselves, such as HID xenon lights or LEDheadlight. After replaced new headlights, that need to start correct headlight adjustment.Actually, you can also correct the headlight adjustment the same as them on your vehicle rightform from home, saving yourself time and money. Professional mechanics use aheadlight-adjuster kit but you can instead adjust your headlights at home with a screwdriver.Following the steps of adjusting headlight (HID xenon light), you can also easy to do.1. Park your car on level ground with the headlights about 10 to 15 feet (3 to 4.5 m) from a wallor garage door.2. Find the adjusting screws for the headlights. They will probably be inset adjacent to theheadlight. Youll find a horizontal and a vertical adjusting screw, with small springs behind them.Some cars come equipped with a small level (like a carpenters level) attached to the top of theheadlight under the hood to help you get the correct adjustment.3. Turn the car headlights on.4. Notice where the light shines, using the wall or garage door as your gauge. Check for uneven orcross-eyed light beams5. Turn the adjusting screws with a Phillips screwdriver while looking at the wall. Turn slowly andcontinue to check the wall (see illustration) until the light beams are even and tilted slightlydownward (so your cars headlights wont blind oncoming traffic).6. Test-drive in the dark and repeat steps 1 through 5 as necessary.Read more articles about car diagnose at http://blog.careucar.com.