Gone are when you couldn't start your car's engine without a physical key. Modern vehicles today come with key fobs that are more useful than just starting your car and locking and unlocking its doors ...

We may receive a commission on purchases made from links. For the sake of convenience, the battery in your car's key fob is designed to last a fairly long time, usually up to around four years. The ...

Wallet. Cell phone. Car keys. That’s the mental checklist many of us go through before we leave the house. But don’t you hate it when you approach your car, click the unlock button and nothing happens ...

Long gone are the days of having to use an actual key to unlock your car doors. Modern vehicles typically come with a remote key fob — a term with an interesting backstory — allowing you to lock and ...

Keyless entry systems have made locking and unlocking car doors much easier. However, they are not without drawbacks. The truth is that there are few things more frustrating and embarrassing than ...

We may receive a commission on purchases made from links. Vehicle theft is a serious problem nationwide, with the National Highway Traffic Safety Administration (NHTSA) reporting that a car was stolen ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 5 minutes ...

You may know the signs of a key fob with a bad battery: having to press the button multiple times or getting close to the car for activation to kick in. Sometimes the functions engage, and at other ...