What Causes the Car's Low Beam Headlights Not to Work?

1 Answers
SanEmmett
07/25/25 12:24pm
The reasons why the car's low beam headlights do not work include: failure of the low beam bulb, malfunction of the low beam control switch, or partial circuit failure. It is best to check if the fuse has blown and inspect whether the switch is damaged. Related introduction: 1. Introduction: Low beam headlights are designed for close-range illumination, with design requirements focusing on a wide irradiation range (160°) and short irradiation distance, and the focus cannot be adjusted. 2. Function: A clearly visible illuminated area of 2-3 meters in diameter on the ground, with the area from the beam's cutoff line to 30-40 meters mainly relying on ground-reflected light sources. This area can distinguish brightly colored objects, but stationary dark-toned objects on the road are difficult to detect.
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