How advanced google car works?

Google company has announced that it will prepare the cars that will run on road itself. Google company has said that there will be the button of stop and go but there will be no steering, exelereter and the paddle of break in this car. According to the company, only two person can travel in this car. The speed of this car will be 40 km / an hour. To test this car there will be an steering so that test driver could control the car in any trouble. In the front side of this car, there is fitted a foam so that it will make less harmful for others. The wind screen of this car will be flexible. T his car will use rays, Radar sensors and information getting from camera.