The upper car housekeeper app officially entered the market in 2015, and the upper carkeeper was primarily an application to provide services to the car, which was a heavy new development project launched by the shanghai automobile group. Since entering the market, the carkeeper has become a car-friendly software for most of the car owners, while the upper car housekeeper's software volume also includes a number of different services, among which customers are more interested in driving techniques and common knowledge of car-keeping, as well as emergency procedures, which allow users to handle their cars easily and provide more economical services to users in case of an emergency. After many years of constant service to the car owner, and before the introduction of the carkeeper, all the car owners were specially surveyed at the headquarters, who saw the recognition of the new carkeeper and successfully pushed the carkeeper onto the market. The satisfaction with after-sale services ...