The black box on the front windshield of SAIC Audi a7l is a camera module in the car safety system. According to relevant public information, the black box on the front windshield of SAIC Audi A7L is a camera module in the automobile safety system, which is called forward-looking camera. The image information in front of the vehicle can be collected and processed by computer to assist the driver to drive safely. The forward-looking camera can realize automatic braking, lane departure warning and intelligent cruise control. By integrating the forward-looking camera with other sensors, radars and control module systems, the driving safety and driving experience of automobiles can be effectively improved.