MEMOSCAN Opel OBD2 Inspection Oil Service Reset Tool OPCOM CAN BUS For OPEL OP COM Diagnostic scan tool Auto Scan Reset Opel OBD2 works through obd2 connetor and mainly support old cars Workable Model:Opel Astra build after 1998, Zafira build after 1998, Corsa build after 20020 Usage: Plug the Device into the OBD2 socket of the car All LED`s will blink and than stay on Turn ignition key to enable the board electronic but don`t turn on the motor The LED of the choosen operation will light and the other Led`s will be off