For the purpose of the "Beidou Tianshu Plan" for the all-round transformation of Changan Automobile to intelligentization, the inCall 3.0 intelligent vehicular interconnection system designed for Changan CS75 and equipped with PATEO Qing OS 1.5 has been successfully implemented. The system supports directly broadcasting news from only one command, creating complex song list, intelligent recommendation for long trips, closed-loop hotel service, multi-round food search, etc.