From Tesla to Lexus, more and more vehicles have doors with an electronic button instead of a manual latch. CR lets you know how to open them in an emergency.

Your key fob contains a hidden mechanical key blade that unlocks your car when the battery dies, plus backup engine start procedures.

You can leave your keys on the kitchen table now. A smart lock promises to notice you arriving, open with a tap, and keep bad actors out with modern ...

TAMPA, Fla. (BLOOM) — You’re rushing to work, the gym, or the grocery store when it happens — you press your key fob, and nothing. No clicks, no unlock, no start. If your car key fob battery has died ...