Elana Scherr: These LED Headlights Are Too Bright What Are HID Headlights? Replacing a broken headlight is—in most cases—a reasonably easy thing to do on your own. Not only will doing this task ...

Q. In 1987 I purchased a new Mercury Cougar. About two years after that, my headlights looked kind of foggy. Taking a close look, I discovered water condensation inside the lights and I have had it ...

Water is supposed to stay outside your headlights, not inside. Moisture in your headlights affects the optics, making them generally dimmer or even causing blind spots where no light shines at all. In ...

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 ...

A majority of modern cars are manufactured with headlamp assemblies made of plastic. The outer surface of the headlamp is molded of a material known as polycarbonate plastic. This plastic is lighter ...

The good news is that the on-and-off headlight cycling provides you with some measure of intermittent nighttime visibility. The bad news is that unless you replace your headlight switch soon, you'll ...

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 ...