Lexus RX330 2005 Owner's Manual page 323

AUDIO
(g) Random playing
"RAND" button: There are 2 random features — you can
either listen to the tracks on all the CDs in the player in random
order, or only listen to the tracks on a specific CD in random
order.
Random playing for the tracks on a CD: Push the "RAND"
button briefly. " " will appear on the display and play
the CD you are listening to in random order.
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Random playing for all the tracks in the automatic
changer: Push the "RAND" button and hold it until you hear a
beep. " " will appear on the display and the player will
perform all the tracks on all the CDs in the changer in random
order. To turn off the random feature, push "RAND" a second
time.
When a track is skipped or the system is inoperative, push the
button to reset.
Finish