To adjust sound, look for オーディオ (Audio).
Most users succeed by using translation apps (like Google Lens) or finding video tutorials on
: The built-in navigation maps are hardcoded to Japan. If you are using this unit outside of Japan, the GPS navigation will likely be unusable without a complete hardware replacement or an external bypass.
is permanently locked in Japanese. If you have been searching for a verified, direct way to navigate this 2006-era head unit without reading Japanese characters, this guide provides the exact steps and alternatives. 1. The Hard Truth About the NHDN-W56 Language Settings