OBD key for final coding in case of Nightvision or Night Vision Assistant upgrade Suitable for the following models: Audi A6 4A Audi A7 4K Audi A8 4N Audi Q7 4M Audi Q8 4M Audi etron GE VW Touareg CR Simply connect the adapter to the vehicle's OBD interface - done! The interface takes care of all necessary coding independently Scope of delivery: 1 coding key Notes: This coding adapter can only be used for one vehicle For a complete upgrade, other hardware components are required. (Cable set, control part, camera, etc.) Currently, the upgrade of vehicles from model year 2024 is not possible