Submitted by Lubdub on Tue, 2014-05-06 21:48
I always carry a spare key and RF chip in my wallet in case I lose my usual key.
I also like to keep a spare hidden in/on the car.
the model S fob is so big hard to put in a wallet
hopefully they can have a small chip fob that can be kept in wallet
and use the iphone to unluck the doors.