This is all well and good, but it's not possible to deploy these kinds of technologies at scale in American cities (well, most American cities). They'll get torn to bits. The ability to actually move to an autonomous transportation future is downstream from citizens actually behaving in a way that allows this. Harsh, but true. Maybe in Singapore.
Not in the way you’re implying.
Once in a blue moon, when car is stuck on a tricky parking lot, a customer service agent can give hints to the car on how to get out.