The headlight enclosures on [Bill Porter’s] 2004 Passat had yellowed with age and were not outputting the kind of light they should. He decided to replace them with some aftermarket modules that also ...

We may receive a commission on purchases made from links. In the not-so-olden days, new vehicles came with sealed-beam headlights. According to CARiD, laws from the 1940s to the early 1980s required ...

We may receive a commission on purchases made from links. Headlights are a crucial utility on your vehicle, but looks matter, too. Whether you've installed aftermarket headlights or hope to preserve ...

Cars' headlights have come a long way since charming yet potentially dangerous acetylene headlamps debuted in vintage automobiles. The later halogen headlights are still around, but the world has ...

The polycarbonate plastic headlight lens on your car or truck degrades from the moment it leaves the factory. Air pollution, airborne grit, and ultraviolet light take the shine off and then discolor ...