KUFATEC Coding Key Interface for final coding after retrofitting the original VW Golf 6 R-line LED taillights We need information about the type of headlight factory-fitted to your vehicle: 37572-1 for vehicles with HID xenon headlights with integrated LED daytime running lights (DRL) in the headlight 37572 for all other headlights Once the interface is connected to the OBD port, the upgrade will be automatically adapted to the current coding of the vehicle Selectable options: Xenon with DRL all others Scope of delivery: 1 coding key Note: Only for vehicles after production week 45/2009 The diagnostic interface can be used multiple times - but only for the same vehicle Only suitable in combination with the appropriate adapter - item ID 37570 If you are unsure of the production week, please check the software index of the control unit (BCM) for central electrics with your local VW dealer The control unit (BCM) must have a software index higher than 500 For a control unit (BCM) with a software index lower than 500, you have 2 options: 1. Replace the BCM with a higher software index (higher than 500), (part no. 37697)... Or 2. ...accept an error display in the driver information system No guarantee of functionality using non-Kufatec adapters Not suitable for right-hand drive, not suitable for the USA