KUFATEC Coding Key Interface for final coding, if original xenon or LED headlights have been retrofitted to the VW Golf 7 Simply connect the adapter (coding key) to the vehicle's OBD interface - done! The interface automatically adapts the retrofit to the existing coding of the vehicle Selectable options: Xenon headlights: Bi-xenon Xenon headlights: Bi-xenon with LED DRL LED headlights: cornering light, LED DRL Scope of delivery: 1x coding key Note: The diagnostic interface can only be used for one vehicle Check compatibility with the on-board network control part Suitable for the following VW models: VW Golf 7