Toyota LEXUS LS430 2005 Manual page 292

(c) Listening to the satellite radio
20L469
Push the "AM·SAT" button to choose a SAT station.
Besides "AM", "SAT1", "SAT2" or "SAT3" appears on the
display.
20L471a
Push this button to select the next or previous channel.
If you push and hold the button, you can rapidly scroll forward
or down through the channels. When displaying the channel
category by the "TYPE" button, pushing the "TUNE SEEK"
button lets you select the next or previous channel within the
currently selected type.
AUDIO
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