KUFATEC Coding Key Interface for final coding for A6, A7 4G from year of construction 2015 and PDC (front + rear) retrofitted Simply connect the adapter to the OBD port of the vehicle - done! Once the interface connected to the OBD port, the retrofit will automatically adapt to the current vehicle coding This interface allows to display/add the entry "parking assistance" in the CAR menu Suitable for the following retrofit: article no. 38559-1 or 38559-2 Scope of delivery: 1x coding key Note: No guarantee of function if the retrofittings were not purchased from KUFATEC GmbH & Co. KG The diagnostic interface can be used multiple times - but only for the same vehicle