It is an important part of the Smart car that using mobile Internet technology provides locationbased services for automotive users. In the current field of automotive services, applications only provide basic services such as positioning and navigation. There is few application provided more personalized service for automotive users. For the convenience of automotive users to fix the vehicle's location in realtime and let automotive users know the information in a vehicle, on the basis of deep analysis of the current situation of mobile applications on the vehicle side, the paper put forward and realized the design scheme of an automotive service system based on Android.The system is divided into the information management module and the map module. Information management module provides the user of the vehicle a stage to display the information of formaldehyde, PM2.5 and PM10. Map module uses Baidu Maps API to achieve the functions of the fixing position for the user of the vehicle, driving directions and searching for nearby services.In practice, the system that has high positioning accuracy and accurate route planning can work steadily. Compared with the traditional map, it can refresh vehicle location in real time, its functional design is more suitable for motorists.