text: Smart cars may be smart, but that doesn't make them better. Smart cars have to guess and assume what will happen based on what they were told by their programming. Smart cars rely a whole lot on electronics, so they could be in theory hacked or misinformed sending it into the wall of the house to it's left because it was told that everything was considered road and not impassable terrain. "Google's modified Toyota Prius uses position-estimating sensors on the left rear wheal, a rotating sensor on the roof, a video camera mounted near the rearview mirrow, four automotive radar sensors, a GPS receiver, and an inertial motion sensor."