What Causes Headlight Yellowing?
1 Answers
Headlight yellowing occurs due to prolonged exposure to air, high temperatures, ultraviolet rays, and oxidation, leading to aging of the headlight cover, resulting in yellowing and cracking. Here are some precautions for car headlight maintenance: 1. Replacement: Ensure the car headlights maintain good sealing, especially to prevent contamination and damage to the reflector coating. When replacing bulbs and diffuser glass, avoid touching the lens with fingers to prevent leaving sweat or oil marks that may cause the reflector to lose its luster and reduce reflection efficiency. 2. Regular Inspection: Periodically check and adjust the headlight beams to ensure the headlight's illumination distance meets requirements, with consistent upper and lower beams. The diffuser glass should be correctly installed as specified to prevent loosening or displacement, maintaining vertical prisms.