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?

It's funny that some words just seem to "fit" their definitions. A key fob, for example, sounds exactly like what it is — a little trinket that hangs from your keys. Of course, a key fob is actually a ...

Locked out? Discover how to find your car's physical emergency key, bypass the push-to-start ignition, and get back on the road when your key fob battery dies.

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Most drivers discover their key fob battery is failing at the worst possible moment: standing in a parking lot, pressing the unlock button repeatedly with no response. But modern vehicles are designed ...