You accidentally agreed to the Japanese EULA. Solution (Appendix C): The English manual includes a translated cancellation form and a script to call Honda Japan's customer support (in English phrases, e.g., "I want to cancel my Premium Club membership plus my Internavi service").
He didn't have the physical manual. He hadn't found the "Holy Grail" PDF he had hoped for. But by sheer force of will, he had reverse-engineered the system. honda internavi premium club english manual
If you are using the map feature outside of Japan, the GPS will likely show your car in the ocean or a generic location because the pre-loaded maps are region-locked. However, you can still use the system for other functions. You accidentally agreed to the Japanese EULA
However, owners often navigate the system by translating the Japanese interface or accessing hidden menus. He hadn't found the "Holy Grail" PDF he had hoped for