A car's headlights grow yellow or cloudy over time due to the breakdown of the protective layer on the lens. That contamination can cause your headlights to be dimmer—and therefore less safe. One way ...

There are two main problems with headlights. They can be too bright and blind other drivers or they can be yellowed and foggy, making it difficult for you to see. Unless you are guilty of riding ...

Clean, clear headlights make for safe driving, much like the best rock salts on icy roads. Headlights illuminate what's ahead of you, making driving safe at night and in low-visibility conditions.