Using Your Audio System: Some Basics; Turning The System On And Off - Lexus ES330 2005 Owner's Manual

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 switch is in the
"ACC" or "ON" position.
NOTICE
To prevent the battery from being discharged, do not
leave the audio system on longer than necessary when
the engine is not running.
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(a) Turning the system on and off
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.