text: First, with Google Cars people aren't controlling what is happening. Although there usually is a person in the car of a smart driving car, a lot of the time that driver is probably not paying attention to the road. Most smart driving cars have built in techneques that make it so that the person in the car has to at least have their hands on the wheel. For example, "In 2013, BMW announced the development of "Traffic Jam Assistant." The car can handle driving functions at speeds of up to 25 mph, but special touch sensors make sure the driver keeps hold of the wheel."