If the headlight or bulb is moved and the height of the lamp changes, first check whether the bulb or headlight is installed in place, and then adjust it. There are usually several situations where the lights on both sides are getting closer or farther away; The irradiation distance of headlights on both sides is different, with one side high and one side low; Headlights on one side are biased.
Precautions:
The low beam irradiation distance of most headlights is about 30-40 meters, and the high beam irradiation distance is about 100 meters. If the exposure distance is too close, the distance you can see when driving at night is also close, which is not conducive to driving safety.
If the lighting distance is too far, due to the limited lighting intensity, the whole road ahead will not be bright, and the low objects and potholes on the ground will not be seen, which is not conducive to driving safety. If the light intensity is large enough, such as laser headlights, the high beam can illuminate a longer distance.