If you do not see "English" or "英語" in this sub-menu, your unit does not support a language change. 2. Using Translation Apps (The Most Reliable Method)
Many aftermarket navigation software packages allow you to change the voice and interface language independent of the head unit's main firmware. While this won't change the radio station display to English, it ensures your turn-by-turn directions are audible and understandable. Panasonic Cn-hds625d Change Language