Lexus 2003 SC430 Owner's Manual page 187

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 adjusts to the optimum volume and tone
quality automatically when you are opening or closing the
retractable hardtop. While the system is adjusting the audio
sound, the audio sound fades out and then fades in.
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 car audio on longer than necessary when the
engine is not running.
170
(a) Your audio system
22sa30a
Push this button to open or close the audio door.
CAUTION
Take care not to jam your hands while opening or
closing the audio door. Otherwise, you could be
injured.
NOTICE
To prevent your audio system from being damaged,
keep the following in mind:
D Do not hold the door while it is opening or closing.
D Do not open or close the audio door by your hands.