We may receive a commission on purchases made from links. Vehicles used to rely on halogen bulbs for headlights, but the industry has largely switched over to light emitting diode (LED) technology for ...

Usually seen blinking away during a wet race or when a Formula 1 car is crawling through the pit lane is a tiny, pulsing red LED seems like it's got something urgent to say. It's easy to overlook if ...

You're driving along in peace when suddenly the dashboard lights up with a flashing Check Engine light. Can you ignore it and drive as usual until the next oil change ...