Upgrade of the navigation function of the existing MMI for Audi TT 8S (FV) Function of the navigation system as installed at the factory Note: The MMI main unit in the glove compartment must be returned! For vehicles without navigation preparation (PR-No.: 7Q0), the GPS antenna 33820 is also required For vehicles without NAV button (PR-No.: 7Q0), the navigation function is called up via the tab in the instrument cluster Standard map of Europe (latest version), other regions on request Remove the reader - order online and pay - the reader with a copy of the order