New key fobs must be programmed with codes that the vehicle has to read before it unlocks the door or allows starting the engine.

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 ...

The key fob is your lifeline to your car, letting you unlock the doors and set off the alarm, at a minimum, but how can you tell if it needs a new battery?

On some key fobs, the battery type will be printed on the outside. This way, you can go to the store and select your battery before you need to open up the fob.

When your Honda key fob runs out of battery, you can take it to a dealership, but it's pricey. It's much cheaper and not too difficult to do it yourself.

An ignition key point is also often covered by a piece of plastic, if your car has one. The DB9 in question did not, the fob has to be present and in working order for the car to start.

In a viral video, a Toyota driver shared how you can remote start your car using your key fob. Viewers say that's not the only way.

Key programming uses a device developed by hackers that plugs into a diagnostic port in the car, then allows them to programme a blank key fob as if it's the genuine key for that car. Once done, that ...

Subscription-based features are taking over the automotive industry—and now they're coming for your key fob.