A safe distance / A safe distance

Electric cars which is installed infrared distance and speed sensor in the head and tail, when the car in the perimeter in a certain speed near to auto and over the safe distance, the two sides will also be stimulating electromagnetic induction system, which in a very short period of time creating a huge mutex force and then bouncing off each other car to keep the car at a safe distance. In the security system automatically cut off the power supply after keeping a safe speed and a safe distance, and magnetic disappear. At the time of parking can shut down the system, the system can also help the car trapped in the pit mud.