A couple of things holding them back: the cars have problems making left turns, especially at intersections without arrows, navigating mall parking lots and cul-de-sacs, and a Fiat Chrysler recall of a certain electronic part used in Pacifica band. Fully driverless cars could be months away – Ars Technica Posted via the PriusChat mobile app.
They could always try this. 'Self-driving car' actually controlled by man dressed up as a car seat | Technology | The Guardian
That is some of that they were testing in my reference in post 2. Public reaction to an apparent self-driving vehicle with no driver.