> With zone-based, it could be the entire "west" zone that stops, which means you can't unlock the driver's door, open the windows, adjust the seat, and maybe e

> With zone-based, it could be the entire "west" zone that stops, which means you can't unlock the driver's door, open the windows, adjust the seat, and maybe even the ventilation fans don't work From my reading, I thought the important parts were on their own dedicated ECUs (7 ECUs, 3 zones). Battery management, driving related stuff, infotainment, door mechanisms, etc have their own ECUs. The three zones are for smaller things that are probably important but not urgently important.