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?

This clever product makes losing important belongings a thing of the past, and it's less than $30. Our editors and experts handpick every product we feature. We may earn a commission from your ...

Like anything powered by a battery, a car key fob can die—often at the worst time. Here’s how to change the battery in your key fob quickly and safely. Check your battery type. Most fobs use small ...

My wife constantly loses her keys...to the point where this morning I shelled out $275 to get a new key for her 2 month old Acura. Rather than replace the wife, I'd like feedback on those wireless key ...