Toyota Lexusc Owner's Handbook Manual page 365

AUDIO
Rear seat entertainment system controller
The rear seat entertainment system can be operated with
the rear seat entertainment system controller and the
switches on the DVD player.
operated by touching the switches on the screen directly.
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.
346
The system cannot be
CAUTION
Do not disassemble or modify the controller. It may
cause an accident, fire or electric shock.