1.Which year of OBD-compliant vehicles do Autel products work with? For European cars: cover the OBD-compliant vehicles after 2006 year; For USA cars: cover the OBD-compliant vehicles after 1996 year; For Asian cars: cover the OBD-compliant vehicles after 2009 year. 2. Wifi mac mismatch, what to do? 1). Software worked well before, but now get error “Wifi mac mismatch”, please try to click WIFI page, if no reaction, reboot it and no work, maybe WIFI module damaged, please return us for repair. 2) You may get prompt from one single software or from all software, if get from one single software, please directly delete it and re-download, if all software have error, please ensure all the software stored in the SD card is downloaded via correct Autel ID not copied from other SD card. 3) If you operate correctly, but get error “Wifi mac mismatch”, please send our technical support with the picture of S/N and wifi mac address to check whether Autel products ma...