GMC, headlight diagnostics in Umm al-Fahm

GMC, headlight diagnostics in Umm al-Fahm.
Headlight failures are easy to notice. The most common signs are: complete failure of one headlight or both headlights, dim light, change in the headlight brightness when speeding up, poor illumination of the road with the dimmed headlights, failure of the xenon headlight phase, impossibility to adjust the light range. During diagnostics, an expert measures the brightness of the light with a light meter and uses the tools to check the correct direction of the light beam and the state of the car's electrical system.