The TOPDON AD500S Car Code Reader Scan Tool is a powerful diagnostic tool that allows you to easily diagnose and troubleshoot issues with your car's engine, ABS, SRS, and transmission systems. It also offers additional features like oil reset, BMS (Battery Management System) reset, bleeding, DPF (Diesel Particulate Filter) regeneration, and throttle adaptation. With its 5 reset functions, you can perform various maintenance tasks on your car. Plus, you'll enjoy free upgrades for DIY, ensuring that you always have the latest features and capabilities. It's a handy tool for any car owner who wants to take control of their vehicle's diagnostics.