The AVIC-HRZ09 is an excellent piece of hardware—crisp screen, great DACs, and reliable GPS—but it is a stubbornly Japanese device. Treat it as a "Japanese-only" tool, pair it with an English phone, and you will enjoy it without frustration.
Carrozzeria is a sub-brand of Pioneer specifically for the Japanese market. To save costs and prevent gray market exports, Pioneer hard-codes the Japanese ROM into these units. The system software simply lacks the font files and string tables for Latin alphabets beyond basic media file tags. pioneer carrozzeria avic-hrz09 change language