A car that has "self" is equiv to a living being, and it wouldn't be ethical to lock it inside a box. It's not going to happen any time soon and it will never happen with conventional binary computing; a non-wetware system capiable of emulating a mouse would melt itself through the road.
https://news.ycombinator.com/item?id=22061718
https://news.ycombinator.com/item?id=21250424