Modern cars have swapped regular keys for key fobs, and most of them use a CR2032 button cell battery. How can you tell if it's weak? How long do they last?

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 ...

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 ...