Who is responsible for maintenance of the car and the AI software? If the passenger should be doing the updates to the AI, then they should own the car outrigh

Who is responsible for maintenance of the car and the AI software? If the passenger should be doing the updates to the AI, then they should own the car outright and have the right to repair it. If it is VW, then VW should align incentives well towards software maintenance by charging either an hourly or a monthly rate.