I suspect the only long term way to avoid touchscreens and cellular is a DIY EV. EVWest, for example, now has complete kits for 14 cars: https://www.evwest.com/

I suspect the only long term way to avoid touchscreens and cellular is a DIY EV. EVWest, for example, now has complete kits for 14 cars: https://www.evwest.com/catalog/index.php?cPath=40 https://www.evwest.com/catalog/index.php?cPath=40