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

Push button starts are innovative features that are making the ignition key almost obsolete. However, not every vehicle comes with a push button start as standard equipment. The push button start ...

Learn how to choose and install a new Ford Fusion key fob battery to keep yours in perfect working order.

For cars with a push-button start, however, all you have to do is physically put your dead-battery fob in a designated location, and the button will still work.

With push-button start systems, you can start your car effortlessly. As long as the key fob is inside the vehicle, a simple press of the button is all it takes.

When you need to find your key or key fob, you may not know which pocket it’s in. Also, you get so used to not using a key that you may forget to turn the vehicle off with the button.