2004 Toyota Sienna Owners Manual - Page 646
2004 Toyota Sienna Manual
Page 646 highlights
Sienna_Navi_U (L/O 0301) NOTICE Do not obstruct the display while it is moving. It could damage your audio system. To stop and eject the cassette tape, push the "OPEN" button to lower the display. Push the "TAPE " button. L00173 140 2004 SIENNA Navigation from Jan. '03 Prod. (OM45409U)