Quote:
Originally Posted by kenchan
wat causes dull headlights? is it the autowash detergent?
i ask because ive never had a car (even parked 24/7 outdoors) that had dull lenses like that.  |
Mostly from UV damage from direct sunlight and/or oxidation to the plastic which causes them to yellow. I try to hold off as long as possible from doing any wet sanding since manufacturers usually apply some sort of UV coating.