Pioneer Japan does not support English. Pioneer USA (which uses the "AVIC" branding) uses completely different map data and software architecture. You cannot flash an American AVIC firmware onto a Carrozzeria unit. Attempting to do so will the device.

Look for the "Pairing" button, usually found under the mobile phone icon in the settings menu. You can follow visual guides on platforms like YouTube to see common Pioneer button layouts. 3. Firmware Flashing (Experimental)

Typical user experience

Pioneer uses relatively universal icons.

Some Carrozzeria units allow you to change the Voice Guidance or specific AV settings to English, even if the menus stay Japanese. Look for the gear icon (Settings) and then a globe or "Language" (言語) option—though for the RZ33, this is often restricted.

If you are using this unit outside of Japan, you can use these methods to navigate the interface: