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 ...

When it comes to headlight bulbs, there’s a big gulf between the latest LED and high-intensity discharge (HID) or xenon units and halogen bulbs, which have been around in various forms for nearly 60 ...