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 ...

Key fobs are a generally pretty mundane and overlooked piece of automotive paraphernalia. A few decades ago, drivers didn't have a way to remotely unlock their cars, and now it's taken for granted.

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 ...

Q: I recently replaced the original battery in the key fob for my 2010 Kia Sedona. The car does not respond to the fob now. The local battery shop confirms that the fob is working properly. I have ...

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 ...