A recently published patent, entitled "System and method of vehicle authorization", describes a mobile biometric authentication technology in which you can see the Face ID used to secure cars. It can technically pave the way for separate "user accounts" in the vehicle, with individual settings for music, seat positioning and air conditioning, all initiated by a driver simply approaching the vehicle.
However, although the patent was published a few days ago, it was filed in February 2017. Over the last two years, a lot has changed in the case of Apple, in particular in the field of self-powered vehicles. So it is not clear whether the patent represents an active project, or – as is the case with so many technology companies – Apple simply goes there with the right papers to protect his ideas for the future.