: If you are stuck in a language you cannot read (like Japanese or Chinese), use the Google Lens app on your phone. Point your camera at the screen and select to read the menus in real-time. Navigation CD
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 ? how+on+rns+300+change+language+new