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 ...

Rivian followed in Tesla's footsteps by delivering its R1 Gen 2 vehicles without a physical key fob. The move was announced months ago, but new owners were still unpleasantly surprised. Although ...

Dealerships have turned key fob programming into a quiet profit center, folding a few minutes of work into triple‑digit service bills. For many drivers, that fee is avoidable, because a surprising ...

Tesla’s key fob works on a 315 MHz frequency like most other electronic key fobs, but last year we reported that Tesla applied Federal Communications Commission (FCC) to use the Bluetooth Low Energy ...

During the past twenty years the locks and security systems for cars have undergone an incredible transformation from simple mechanical keys to sophisticated keyless entry systems that have often been ...

Q: My wife has read your column for years and thinks you walk on water. She bought a new car with the keyless start. After using it, neither of us can figure why automakers wanted to push this. You ...

Something we don’t talk about enough ‘round these parts are key fobs. I’ve either laid eyes on or used pretty much every one of them at this point, which is simply just a hazard of the job. I know.

Your key fob's panic button is easy to ignore until it goes off by mistake, but it serves a real purpose beyond the usual parking lot trick.