With more and more electronic components and network unit, car changes from a single closed integral to more open. Car networking products contains four parts: host, vehicle-mounted T - BOX, mobile phone APP and backend systems. Host is mainly used for entertainment, as well as the vehicle information display; On-board T - BOX is mainly used for background system/APP communication, to realize vehicle information display and control of the mobile phone APP. When the user send control commands through APP, the TSP background will monitor requests instruction to T – box. After the car access the control command, it will send control packets and realize the control of the vehicle through CAN bus. The final feedback on operating results to the user's mobile phone APP. This feature can help users only remotely start vehicles, open air conditioning, adjust the seat to the appropriate location, and so on.