If the menu is completely inaccessible due to an unrecognized language:
To update your system language, follow these exact button presses: your RNS 300 unit. how+on+rns+300+change+language+new
To get you the exact steps, I can help, but I'll need to know: What is the ? (e.g., German, Japanese?) What is the new language you want? Do you have the navigation CD ? If the menu is completely inaccessible due to