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

Keyless entry systems have made locking and unlocking car doors much easier. However, they are not without drawbacks. The truth is that there are few things more frustrating and embarrassing than ...

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.

Being trapped in your car after a crash or electrical failure can be deadly. Here's what to do when you can't open your electronic car doors. Progress is a good thing, right? We drive cars instead of ...

Long gone are the days of having to use an actual key to unlock your car doors. Modern vehicles typically come with a remote key fob — a term with an interesting backstory — allowing you to lock and ...