Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.

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.

If a metal key also is included, it will have to be cut by a locksmith or dealer. If you can’t do it yourself, contact a dealership to find out how much it will cost, including programming.

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.

If you can sniff out the communications that are going on during the programming you should be able to build and pair your own devices with a vehicle. Wouldn’t it be nice to incorporate your ...