The is an integrated AV/SSD navigation unit frequently found as a factory-installed or aftermarket option in Mazda vehicles (part number V6 650 or Sanyo model NVA-MS5309 ). Since the original manual is primarily published in Japanese by Mazda, English-speaking users often rely on machine-translated versions or specific community guides for complex features like Bluetooth and hands-free setup. Key Manual Resources English Bluetooth Guide: A dedicated English Manual for C9Y6 Bluetooth
Look for (システム - Shisutemu) or Display (表示 - Hyōji).
According to the English manual, the top of the C9Y6 unit contains:
: Supports wireless phone calls and audio streaming.