How to Adjust Car Light Brightness?

2 Answers
LePhoebe
07/24/25 7:14am
Adjusting car light brightness involves the following steps: 1. Start the car, locate the light button after the dashboard illuminates, and turn on all vehicle lights; 2. Drive the car in front of a wall, carefully observe the light projection on the wall to assess the light height. If the height difference is not obvious, use a ruler for measurement; 3. Return to the driver's seat and find the button to open the front hood; 4. Set a horizontal reference based on the observed light projection, then locate the screw button for adjusting light height; 5. For the higher side, turn the adjustment button counterclockwise while watching the light change on the wall until it aligns with the horizontal reference. For the lower side, use a tool to turn the button clockwise, adjusting while observing until the light projection matches the horizontal reference.
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SanJack
08/11/25 3:00am
After driving for so many years, I've found that adjusting the headlights is actually quite simple. Most cars have a headlight height adjustment dial on the left side of the steering wheel, usually marked with numbers from 0 to 3, where 0 is the lowest and dimmest, and 3 is the highest and brightest. If the road is bumpy and the lights feel glaring, quickly lower the setting; if it's rainy or foggy and hard to see the road, slightly raising it is safer. Nowadays, some new cars are even smarter—you can find the lighting settings menu on the central control screen and simply drag the brightness slider. After adjusting, remember to test the effect at night to avoid dazzling oncoming drivers. Oh, and if your older car doesn’t have this feature, you’ll need to ask a mechanic to manually adjust the screws in the engine compartment, which usually costs around 50 yuan.
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