OBD adapter for final coding when Active Lane Assist has been retrofitted Compatible with the following models: Audi A4 8W Audi A5 F5 Audi Q5 FY Audi Q7 4M Simply connect the adapter to the vehicle's OBD interface - done! The interface takes care of all necessary coding independently Scope of delivery: 1 coding dongle Note: The steering column lever must be replaced This coding adapter can only be used for one vehicle