I know what you mean, but I think I've got to disagree. The general sense of "Autopilot" implies the same level of sophistication that other vehicles have that use "Autopilot"... Boats use it for mid course, as do planes, now having cars using it. It won't park, and it's not going to get out the carpark and onto the road, but it'll take over once the course is set and there's less technicalities on direction.
I think it's a fair call using this term.