车联网是以车内网、车际网和车载移动互联网为基础,按照约定的通信协议和数据交互标准,在车与车、车与路、车与行人及互联网等之间,进行无线通信和信息交换的大系统网络。车联网有利于安全与节能减排。驾驶辅助系统、预警系统、变道辅助系统可以帮助车辆将碰撞率降低5%-10%。自动刹车系统可以进一步减少20%的碰撞事故。 Car networking is based on the car network, car networking and car mobile Internet, according to the agreed communication protocol and data exchange standards, in the car and car, car and road, cars and pedestrians and the Internet between the wireless communication and Large system of information exchange network. Car networking is conducive to safety and energy saving. Driving assistance system, early warning system, lane change assistant system can help the vehicle reduce the collision rate by 5% -10%. Automatic brake system can further reduce the collision by 20%.