The headlight adjust screw lets you modify the position and direction of the headlight beams.
Headlight screw functionThe headlight usually includes a pair of adjusting screws, one is placed on top and the side so you vertically or horizontally adjust it. the process of repositioning the headlights is easy but having a bad screw can make it difficult to light up the road. The headlight adjust screw is essential. After all, they allow you to alter the positioning or direction because they tend to wear out or break from impact.
Common problems with a defective headlight screwA worn headlight screw can lead to the headlights aiming at the wrong position or excessive movement while driving.