there are cameras inside, and they can see who made a mess inside the car
1. operator or computer vision detects dirt in salon
2. route the autonomous vehicle to contracted carwash
3. return car back to service
4. charge customer for the cleanupDoesn't change the service outage piece, but it will get better.
That being said, your key point - people can do what they want in this thing and no one can really stop them, does stand.