In Volkswagen group vehicles, the central dashboard screen—known as the (Fahrerinformationssystem) or MFA (Multifunktionsanzeige)—can sync directly with your radio.
On many Volkswagen Group vehicles from this generation (such as the Golf Mk5, Passat B6, or Touran), changing the language on the dashboard instrument cluster automatically pushes the update to the RNS 300 navigation head unit. how+on+rns+300+change+language+new
Before attempting to change the language, ensure you meet the following condition: In Volkswagen group vehicles
To change the language on a Volkswagen, Seat, or Skoda navigation head unit, you must navigate to the SETUP menu, select Menusprache (or its equivalent in the current active language), and insert the original RNS 300 navigation map CD to load the new language files into the system's memory. or Skoda navigation head unit