You then insert the new key, turn it to ignition position 2 and remove it within 10 seconds. You can then re-insert the key and start the car. However, if you have a later model Ford Ranger you need ...

When the battery is removed from the key fob, the fob can lose its ‘memory’ or programming. If the key fob is not working after replacing its battery, a reprogramming procedure may be required.

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

In this primer on how to replace a car key fob, Consumer Reports says getting another high-tech key fob can be a pricey proposition.

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

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.

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.

If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.

Ford could replace your key fob with radio-button passcodes Key fobs aren't the most secure things, but Ford's latest patent may have a novel solution to that.