I have to think that the litigation and maybe the legislation will end up deciding that the person in the vehicle is still responsible for any actions of the vehicle.
My understanding, based on [0], is that it was an unexpected behaviour from the agent.
[0] https://theshamblog.com/an-ai-agent-published-a-hit-piece-on...
But why I'd allow the car drive for myself if it can make me go to jail even if I didn't anything?