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 ...

Stick with us as we’ll cover the symptoms of a dead fob battery, how to test it, how to change the key fob battery, and how to repogram a key fob after replacing the battery.

Like anything else relying on a battery, you car key fob can die—often at the worst time. Thankfully, these batteries are easy to replace.

No matter which kind of key fob you have, replacing it costs a lot more than cutting an old-fashioned set of keys. But there are ways you can save money on a new one.

There’s usually a mechanical key hiding inside the key fob for cars with push-button start systems, so you can still unlock your door if the car battery or your fob battery runs out of juice.

Your car's key fob is totally hackable, but there's a simple way prevent potential break-ins and theft.

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

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 find yourself locked outside your Lexus with a dead key fob in your hand, don't panic, since there is a way to save the situation ...

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.