The activation code of Chezhihui is six digits. Che Zhihui is a trademark brand applied by Guangzhou Yamei Information Technology Co., Ltd. Through the research and development of hardware and platforms such as in-vehicle intelligent terminal, cloud service platform, big data analysis platform and mobile client APP, Che Zhihui builds a big data vehicle networking platform with in-vehicle intelligent terminal and mobile client as the core. Chezhihui activation code is a password program added by software to specific paying people.