Comment DON'T NEED A CAR KEY (Score 2, Interesting) 240
"The car keys aren't such a big deal, because you'd also need the key itself for the mechanical part of the lock."
Not true, one of my cars has a function called "Keyless Go", just have a credit card type device on you and the car unlocks and starts at the press of a button. I am not sure if it using RFID though. No information on that. But it is using a similar technology for sure