Some of the cars you see with blue headlights came with high-intensity discharge (HID) lights from the factory, and they are totally legal. Other cars you see with blue headlights have illegal modifications that can, and often will, result in a ticket, or worse. read more
So just because a xenon or HID conversion kit is marked"DOT" doesn't mean the federal government has certified it as street-legal. Consumers should instead look to a federal regulation, Federal Motor Vehicle Safety Standard No. 108, which specifically discusses headlight systems. read more
Yes. They have been legal since the mid 90s in the US, factory fitted on dozens of models. They're even fitted on semi trucks now. Although the current trend is towards LED headlights. read more
So just because a xenon or HID conversion kit is marked "DOT" doesn't mean the federal government has certified it as street-legal. Consumers should instead look to a federal regulation, Federal Motor Vehicle Safety Standard No. 108, which specifically discusses headlight systems. read more