Q: I have seen you write about how LED replacement bulbs are not legal. Recently, I have been seeing ads for Sylvania LED replacements. What gives? A: Well, you made me go to the local auto parts ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

Having a solid pair of LED headlights can transform the look of your car and visibility. They beat traditional stock headlights, and even upgraded halogens. This is due to having a higher lumen count, ...

Our Fox Mustang is a worn-out 30-year-old magazine project car. It needs obvious upgrades like paint and body, plus less tangible items like a total upgrade of all lighting; both interior and exterior ...

There are several reasons why you're better off sticking with the stock halogen or high-intensity discharge (HID) bulbs in your car, rather than replacing them with cheap aftermarket LED headlights.

The smart money here suggests that there’s something your car’s electrical system and body computer don’t like about replacement LED lights. That’s assuming you’ve installed them correctly, of course.

It’s the kind of thing that makes you stare at your receipt like it’s going to confess. You buy factory bulbs, install them ...

Trickle-down tech is just about how everything works these days. First the high-end rides get it, and over time it migrates to even the cheaper cars. Remember ABS? It started in the exotics, and now ...

Should transmission and differential fluids be changed on a 2006 Subaru Outback with only 41,000 miles? Since car batteries are so expensive, is it possible to use a cheaper marine battery in an ...