OBD interface for final coding if a rain sensor has been retrofitted if a compatible sensor is already factory-installed, it does not need to be replaced Extension of the wiper levels by the operating level of the rain sensor Selection in the CAR menu under Driver Assistance Suitable for the following models: Audi A4 8W Audi A5 F5 Audi Q5 FY Simply connect the adapter to the vehicle's OBD interface - done! The interface supports all necessary coding Scope of delivery: 1 coding dongle Note: The sensors 8U0 955 559 C, 81A 955 555 and 81A 955 555 A are suitable for the rain sensor function the steering column lever does not need to be replaced for this upgrade the coding adapter can only be used for one vehicle