Android Auto and CarPlay solve that problem for navigation/communication/entertainment. The automakers aren't going to provide an open API to the vehicle control systems, for both competitive and safety reasons.
What would be nice is the old fashioned DIN interface, where you could install an aftermarket AA/CarPlay unit like this:
https://www.bestbuy.com/site/pioneer-10-1-hd-screen-luminous...
I can definitely see a day where Apple or Google decide to discontinue support on vehicles older than 201x that lack some new hardware specification.