Lexus LX 570 2009 Manual page 45

Operation signals
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Doors: A buzzer sounds and the emergency flashers flash to indicate that the doors
have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Windows and moon roof: A buzzer sounds to indicate that the windows and moon
roof are opening.
Door lock buzzer
■
P. 33
Alarm
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Using the wireless remote control to lock the door will set the alarm system.
Electronic key battery depletion
■
P. 36
Security feature
■
P. 38
If the wireless remote control does not operate properly
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Locking and unlocking the doors: Use the mechanical key. (P. 678)
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Starting the engine: P. 679
●
When the electronic key battery is fully depleted
■
P. 605
Conditions affecting operation
■
P. 34
Customization that can be configured at Lexus dealer
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Settings (e.g. unlocking function) can be changed. (Customizable features 
P. 715)
1-2. Opening, closing and locking the doors
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