Lexus LX 470 1998 Owner's Manual page 165

AIR CONDITIONING AND AUDIO
Using your audio system: some basics
This section describes some of the basic features of the Lexus audio
system. Some information may not pertain to your system.
Your audio system works when the ignition key is in the "ACC" or
"ON" position.
NOTICE
To prevent the battery from being discharged, do not leave the
car audio on longer than necessary when the engine is not
running.
(a) Turning the system on and off
21X02a
Push this knob to turn the audio system on and off. Turn this
knob to adjust the volume.
The system turns on in the last mode used.
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21X003a
Push "AM", "FM1/2", "TAPE" or "CD" 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 is not set, the cassette player does not turn on.
You can turn off the cassette player or compact disc player by
ejecting the cassette tape or compact disc. If the audio system was
previously off, then the entire audio system will be turned off when
you eject the cassette tape or compact disc. If another function was
previously playing, it will come on again.