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 ...

Are you looking to replace your standard halogen turn signal bulbs with something brighter? LED turn signal bulbs have become relatively inexpensive in recent years, allowing vehicle owners to upgrade ...

Upgrading your headlights is one of the easiest, cheapest, and simplest mods. It’s often the first mod of any prospective car modder, or it could be just time to swap out some old bulbs. Either way, ...

Along with being brighter, LED bulbs tend to use less power and have a much longer average lifespan compared to conventional halogen bulbs. Now that LED lighting technology has gotten significantly ...

Across the country, drivers who swapped their factory halogen bulbs for bright white LEDs are discovering an unwelcome side ...

We may receive a commission on purchases made from links. Over the last decade, LED headlights have made their way from luxury models to everyday cars — and for good reason. Traditional halogen bulbs, ...

LED sources are substantially different from filament lamps used in most present-day automotive lighting applications in a number of important ways: • LEDs have higher luminous efficacies (in lm/W) ...

Nighttime driving these days can turn into a dazzling — even blinding — light show from the different types of headlights available on newer vehicles. The familiar warm, yellow glow cast by halogen ...

People want customizable colored lights in their car's interior, right? Many top carmakers seem to think so. Nissan, Ford, GM, Porsche, and others offer ambient lighting settings that can be adjusted ...

For the PDF version of this article, click here. Light-emitting diodes (LEDs) have been the choice for automotive interior lighting for years, particularly for signal applications. And now, due to ...

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 ...