The Wayback Machine - https://web.archive.org/web/20131216141103/http://sontrak.com:80/index.html

The is a classic in-dash navigation and multimedia unit from Pioneer’s "Raku-Navi" series, primarily released for the Japanese Domestic Market (JDM) . This model is renowned for its reliability but often presents a significant hurdle for second-hand owners or importers: the requirement of an installation (boot) disk to function.

The unit should detect the disk and begin the "Please Wait" loading screen. Do not turn off the ignition during this process.

Unlike modern head units that store operating systems on permanent internal flash memory, the AVIC-DRZ09 relies on its DVD drive to load essential system files and map data.