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?

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.

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

It happens to the best of us. You realize that your car keyfob battery is low, but you figure you have plenty of time left before it dies, and usually you do. But inevitably, it will run out of power ...

Sometimes the anticipation of doing something is as exciting as actually doing it. It's easy to forget that your interaction with a car always starts outside of it, with the key. The key serves as an ...

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 ...

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.