said by not quite right:
I think it can be taken for granted that the system will be upgradeable through firmware updates...
So far, Ford is the only company who has setup the capability to update your firmware via USB stick (Telsa can do it OTA).
I've had to take my 2 year old Subaru in 2x for firmware updates, one of which required a full-on hardware replacement to accomplish.
I wouldn't assume firmware updates are going to be standard issue.
Further, I wouldn't buy a car with this because I'm an Android user and don't want any more lock-in than I have with my current Mac gear.