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 ...

If your car's smart key dies on you, it's still possible to unlock your car and start the ignition without replacing the key's battery immediately.

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 ...