How exactly do you swap out the battery on your key fob? In this piece, we’ll walk you through how to change the key fob battery for a specific vehicle - the Toyota Prius. Read on to learn more.

There’s a Prius key fob backdoor — a way to start your car even if the fob battery is dead.

If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.

Just know that most customer-programmable key fobs will require two current working keys in order to program the new one. RELATED: How to replace your key fob | Your key fob may have hidden features ...

If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.