: Change the stored value to match your desired profile: 1 = German ( Deutsch ) 2 = English ( English ) 3 = French ( Français ) 4 = Italian ( Italiano ) 5 = Spanish ( Español )
Critical check: If your unit does have a navigation SD card slot or a "NAV" button, you have an RCD 300 (radio only), not an RNS 300. how+on+rns+300+change+language+new
Ensure your unit is actually an RNS 300. The RNS 300 is a CD-based unit with a smaller, monochromatic, or simple color screen. If your unit is a touchscreen, it is likely an RNS 310, 315, or 510, which requires a different, simpler touchscreen approach to changing the language. : Change the stored value to match your
Your RNS 300 might be in a special service mode or locked. Try this alternative path: If your unit is a touchscreen, it is
: Use the right-hand rotary knob to scroll through the menu options until you highlight the system or display settings icon.
Some older RNS units (like the RNS 510) are region-locked. If your car was imported, or if the firmware is an older version, you might not see your desired language. In this case, you cannot simply change it via the menu. You would need: