2004 Toyota Prius Owners Manual - Page 171

Push the "AM", "FM", "TAPE" "DISC" or "TAPE·DISC" button to turn on that mode. The selected mode turns on directly. Push these buttons if you want to switch from one mode to another. If the tape or disc is not set, the cassette player or compact disc player does not turn on. You can turn off the cassette player by ejecting the cassette tape. If the audio system was previously off, then the entire audio system will be turned off when you eject the cassette tape. If another function was previously playing, it will come on again. VOLUME CONTROL To adjust the volume, push and turn the "VOL". Type 1 Type 2 159