Final coding interface when retrofitting LED headlights with original Matrix Suitable for the following vehicles: Audi A3 8V from model year 2017 Audi A3 8V convertible model year 2017 Simply connect the adapter (dongle) to the vehicle's OBD interface - done! The interface automatically adapts the retrofit to the existing coding of the vehicle Scope of delivery: 1x coding dongle Note: Only for vehicles with front camera (PR no. QK1) Not for right-hand drive vehicles (PR no. L0R) and US vehicles (PR no. 0LB) For vehicles with xenon headlights (PR no. 8IH), the automatic headlight height adjustment (aLWR) must also be changed (please inquire) The coding interface can only be used for one vehicle