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

A key fob with remote locking/unlocking and push-button start. A key fob with push-button start and keyless entry that owners can leave in their purse or pocket for virtually all functions.

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.

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 ...

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.

Place the key fob directly on or near the sensor. Even without power, the fob can still be detected using passive RFID technology. Press the brake (or clutch) and push the start button.

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.

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.

But our next vehicle may be equipped with a push-button ignition. How would we handle an emergency situation like a stuck accelerator or unintended acceleration?

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

Thanks to ididit and their id.PUSH+ Push Button Start Kit classic car owners can add the luxury of keyless entry and remote start in their classic rides.