FAQs Brief Specs Question Why do I need to download the diagnostic software after installing the TopScan app? Features Answer Since there are various vehicle manufacturers, different diagnostic software is required for different brands. Repair Information Question What special functions does the TopScan Pro support? What's In The Box? Answer The TopScan Pro supports 13 special functions, including Oil Reset, Throttle Adaptation, EPB Reset, ABS Bleeding, Steering Angle Reset, DPF Regeneration, Airbag Reset, BMS Reset, Injector Coding, Tire Pressure Reset, Sunroof Initialization, Seat Calibration, and Windows Calibration. Comparison FAQs