Push-button start is standard on most modern cars, trucks and SUVs today. How does it work and is it better than ignition keys?

If you've ever wondered how you can start a car without using the starter motor, allow me to demonstrate the art of the "push-start," also called the "bump-start" or "roll-start." It's a way to use ...

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.