CarSyngo is an APP for 4S shop business personnel for specific overseas models, through APP and cloud platform services, under the authorization of the contracted owner, the 4S shop salesman can monitor the equipment operation status of the vehicle in real time, analyze and locate the problem in advance for the abnormal data of the vehicle, and actively provide maintenance suggestions and maintenance services to the car owner, so as to ensure the driving safety of the contracted car owner, and provide timely, accurate and intimate one-stop service.