For many drivers, our car key fob is just as invaluable as our keys themselves. When's the last time you opened your car door manually with a key? Besides unlocking and locking the doors, the gadget ...

Push-button start may be common today, but it wasn't always the dominant way to crank an engine. Push-button start systems and ignition key systems activate the same process in different ways. Do you ...

Traditionally, drivers had only a metal key to start their vehicle, which made it impossible to venture off without it. However, it was the 2003 Mercedes-Benz that became the first to offer starting ...

A "key" feature of today's car keys is not having to physically touch them to enter or start the car, thanks to developments like RFID proximity technology (which is short for radio frequency ...

They’re in fobs or on phones, and digital or “smart,” and they can do far more than just open doors and start the engine. By Stephen Williams Call them what you want: digital keys the shape of a ...

Add Yahoo as a preferred source to see more of our stories on Google. A "key" feature of today's car keys is not having to physically touch them to enter or start the car, thanks to developments like ...