OBD interface for final coding when retrofitting the original entry-level lights Simply connect the adapter to the vehicle's OBD interface - done! The interface automatically adapts the retrofit to the vehicle's existing coding Compatible with the following models: VW Golf 7 all VW T-Roc A11, AC7 VW Tiguan AD1, BW2, AX1 VW Touran 5T VW Touareg CR Audi A1 GB Audi A3 8V Audi A3 8Y Audi Q2 GA Audi Q3 F3 Audi A4 8W Audi A5 F5 Audi A6 4A Audi A7 4K Audi A8 4N Audi Q5 FY Audi Q7 4M Audi Q8 4M Audi e-tron Audi TT FV Scope of delivery: 1x coding dongle for OBD Note: The coding adapter can only be used for one vehicle