KUFATEC Coding Dongle: Interface for final coding, if original LED headlights have been retrofitted on the VW T6 SG suitable for retrofitting original LED headlights 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: The coding adapter can only be used for one vehicle Compatibility check of the on-board control unit