Lexus 2004 GX470 Owner's Manual page 280

Rear seat audio system controller
The rear seat audio system can be operated with the rear
seat audio system controller.
NOTICE
Keep the controller away from direct sunlight, high heat
and high humidity. These conditions could cause the
case to deform or the battery to explode or leak.
CAUTION
Do not disassemble or modify the controller. It may
cause an accident, fire or electric shock.
Finish
AUDIO
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