CARS.COM — When most people think of headlight maintenance, what first comes to mind is changing bulbs when they burn out. However, as a vehicle ages another culprit can strike: foggy headlights. With ...

Our test of 10 H4 halogen bulbs reveals that the high-beam reach of the worst bulb is 60 metres shorter than the best bulb tested. Worryingly, half of the bulbs didn’t meet the minimum required ...

It’s easy to overlook upgrading your headlights, but drive with shiny new ones once, say, in a rental while on vacation, and it’s tough to go back. We go through this all the time when testing cars ...

Typically, you need to replace the headlights of your car every few years as their output tends to trim with time eventually. Good headlight bulbs ensure that your vehicle’s maintenance is up to the ...