Toyota Lexusc Owner's Handbook Manual page 369

AUDIO
(c) Locating the controller
If you lose sight of the controller, push and hold the "CURSOR
(REMOTE)" button on the DVD player unit until you hear a
beep. A buzzer sounds from the controller to let you know
where it is.
To stop the buzzer, push any button of the controller.
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FCC Information
Caution: Any changes or
construction of this device which are not expressly
approved by the party responsible for compliance
could void the user's authority to operate the
equipment.
FCC Label Information
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference,
and (2) this device must accept any interference
received, Including interference that may cause
undesired operation.
modifications in