Honda RDX Owner's Manual page 229

If you do not like the stations auto
select has stored, you can store other
frequencies on the preset buttons
(icons) as previously described.
To turn off auto select, press ENTER
on the interface selector again. This
restores the presets you originally
set.
Playing the FM/AM Radio (Models with navigation system)
Radio Frequencies and Reception
For information on AM/FM radio
frequencies and reception, see page
287.
Adjusting the Sound
For information, see page 224.
223