Lexus LX570 Manual page 47

Operation signals
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Doors: A buzzer sounds and the emergency flashers flash to indicate that the
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doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Windows and moon roof: A buzzer sounds to indicate that the windows and
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moon roof are opening.
Door lock buzzer
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If a door is not fully closed, a buzzer sounds continuously for 10 seconds if an
attempt to lock the door is made. Fully close the door to stop the buzzer, and lock
the vehicle once more.
Power back door operation
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The power back door can be opened while the vehicle is locked. (one motion)
Alarm
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Using the wireless remote control to lock the door will set the alarm system.
Electronic key battery depletion
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P. 39
Security feature
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P. 41
If the wireless remote control does not operate properly
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Locking and unlocking the doors: Use the mechanical key. (P. 682)
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Starting the engine: P. 683
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When the electronic key battery is fully depleted
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P. 606
Conditions affecting operation
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P. 37
Customization
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Settings (e.g. unlocking function) can be changed. 
(Customizable features P. 718)
LX570_U (OM60F86U)
1-2. Opening, closing and locking the doors
1
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