Lexus 2003 LS Owner's Manual page 646

Audio System
Push the "AM", "FM", "TAPE" or "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 play-
er or compact disc player does not turn on.
You can turn off the cassette player by eject-
ing the cassette tape. If the audio system
was previously off, then the entire audio sys-
tem will be turned off when you eject the cas-
sette tape. If another function was previously
playing, it will come on again.
UNG604
UNG605
UNG606
The switches for radio, cassette tape and
compact disc player operation are dis-
played on the liquid crystal display.
Touch them lightly and directly on the
screen.
The selected switch is highlighted in green.
(b) Automatic sound levelizer
When the audio sound becomes difficult to
be heard due to road noise, wind noise, etc.
during driving, touch the "ASL" switch. The
system adjusts to the optimum volume and
tone quality according to the noise level.
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