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?

How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...

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 ...