Is it so hard to look up the basics before posting rubbish?Such as?
It comes with a card that you can tap against the b pillar. In case you phone lost/dead etc.
Teslas also have a hell of a lot of security on them from being hacked,and yet some of you think they've had this oversight of something so blindingly obviuse, it's insane to have such opinions. Also although most devices don't use it there are secure protocols for modern Bluetooth.