2003 Toyota Avalon Owners Manual - Page 151
2003 Toyota Avalon Manual
Page 151 highlights
'03 AVALON U (L/O 0206) TUNE (Tuning) Your Toyota has an electronic tuning radio (ETR). Push and release the " Ɯ" or "Ɲ" side of "TUNE" to step up or down the station band. Do this again to find another frequency. If you push and hold the "Ɯ" or "Ɲ" side of "TUNE", the radio will continue seeking up or down for frequencies and will stop at the next frequency that it finds after the button is released. Press the button again to resume the search. 2003 AVALON (OM41401U) 151