Once inside the settings menu, you will see a list of sub-menus. Again, ignore the text. Look for an icon that represents a globe, a speech bubble with an "A" inside, or the letters or "Language."
A: Generally, no. Map updates only affect navigation data and Points of Interest (POI). Languages are part of the system firmware. You would need a full firmware update to add new languages. panasonic cn-re04wd language settings
If your unit supports multiple languages, you can attempt to change them by following these standard menu paths (translated from Japanese): Once inside the settings menu, you will see