KUFATEC Coding Key OBD interface for final coding when an original parking heater has been retrofitted Simply connect the adapter to the vehicle's OBD interface - done! The interface adopts all required codings Scope of delivery: 1x coding key Note: This coding adapter can only be used for one vehicle Suitable for the following models: Audi A4 8W Audi A5 F5 Audi A6 4A Audi A7 4K Audi A8 4N Audi Q5 FY Audi Q7 4M Audi Q8 4M VW Touareg CR