Quote:
Originally Posted by Vucko
why having spare key card when you have phone-nfc unlock option in comfort access package?
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Because the phone unlock takes a few minutes.
Jaguar do something similar with a wristband (looks like a Fitbit) using NFC (I guess). If you are doing something sporty and can't easily carry keys, the wristband will unlock the car and I presume be used to start the engine.