Coding dongle for MLB rain sensor

OBD interface for final coding if a rain sensor has been installed later. If a compatible sensor is already factory-installed, it does not need to be replaced. Wiper stage extension via the rain sensor operating stage. Select in the CAR menu under Driver Assistance. Suitable for the following models: Audi A4 8W, Audi A5 F5, Audi Q5 AF. Simply connect the adapter to the vehicle's OBD interface – that's it! The interface automatically retrieves all necessary coding. Package contents: 1x coding dongle. Note: Sensors 8U0 955 559 C, 81A 955 555, and 81A 955 555 A are suitable for the rain sensor function. The steering column stalk does not need to be replaced for this upgrade. The coding adapter can only be used for one vehicle.