All passenger vehicles in North America have had polycarbonate plastic headlights for decades, and they all have one thing in common: They are constantly exposed to the elements and over time they ...

Ever since car designers wanted to make interesting shapes on the front of vehicles, headlight lenses have been made from plastic. It’s easier to mould than glass, and lighter too. However, the ...

Foggy headlights are caused when oxidation breaks down their clear UV-resistant coating. To fix them, polish them, then seal ...