You can find these on eBay or automotive forums by searching: "Pioneer Carrozzeria menu translation."
: Some enthusiast communities (such as AVIC411 ) experiment with modified firmware or "patches" to force an English interface. However, this is not recommended for the average user as it can permanently break (brick) the unit and is not officially supported. Key Limitations pioneer carrozzeria avic-hrz88 language change
If you are shopping for an HRZ88 on eBay or Yahoo Auctions Japan, always message the seller and ask: "Has the language been changed to English via service menu?" If they don't know what that means, assume it is locked in Japanese. You can find these on eBay or automotive