CarOnline.Guru is a solution based on smart phone and internet.，through the smart phone and the OBDII port, this solution realizes the interaction between vehicles and human. This solution focuses on safe driving and other value added services for the vehicles and create usual conveniences for the users. The main functions include: ECU data monitoring, real time vehicle tracking, vehicle maintenance reminder, vehicle trips report, vehicle route playback, driving behavior monitoring, remote diagnostics, electronic geo fence etc.