I'm aware of this as I have owned cars with this feature. Modern cars do not use the physical key to "start". It's mostly only to open the driver side door. Se

I'm aware of this as I have owned cars with this feature. Modern cars do not use the physical key to "start". It's mostly only to open the driver side door. See: https://www.youtube.com/watch?v=BttKQ6K-Y74 https://www.youtube.com/watch?v=BttKQ6K-Y74 RFID/NFC is used to actually start the car like you pointed out. On all current Tesla cars, they fobs and keycards can both unlock and start the car, making a physical key pointless.