Professional Car Diagnostic Code Reader For VW / Audi / Opel Airbag Reseter works without additional computer and trough car OBD II connector can erase airbag sensor "crash data" or only fault memory. Very simple user instruction: connect this tool to car OBD II connector. Right red button is for airbag "crash data" erase. Left yellow button is for erase airbag "fault memory" or "errors". Support: VW Series: 1 VW3: 1GD 909 603A 2 VW5: 1C0 909