Lexus LX 570 Owner's Manual page 154

The doors may unlock or lock if a large amount of water splashes on the door handle,
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such as in the rain or in a car wash, when the electronic key is within the effective range.
(The doors will automatically be locked after approximately 30 seconds if the doors
are not opened and closed.)
Touching the door lock or unlock sensor while wearing gloves may prevent lock or
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unlock operation.
If the wireless remote control is used to lock the doors when the electronic key is near
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the vehicle, there is a possibility that the door may not be unlocked by the entry func-
tion. (Use the wireless remote control to unlock the doors.)
When the lock operation is performed using the lock sensor, recognition signals will be
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shown up to two consecutive times. After this, no recognition signals will be given. (if
equipped)
If the door handle becomes wet while the electronic key is within the effective range,
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the door may lock and unlock repeatedly. In this case, follow the following correction
procedures to wash the vehicle.
• Place the electronic key in a location 2 m (6 ft.) or more away from the vehicle. (Take
care to ensure that the key is not stolen.)
• Set electronic key to battery-saving mode to disable the smart entry & start system.
(P. 151)
If the electronic key is inside the vehicle and a door handle becomes wet during a car
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wash, a message may be shown on the multi-information display and a buzzer will
sound outside the vehicle. To turn off the alarm, lock all the doors.
The lock sensor may not work properly if it comes into contact with ice, snow, mud, etc.
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Clean the lock sensor and attempt to operate it again, or use the lock sensor on the
lower part of the door handle.
If there is another electronic key in the detection area, it may take slightly longer to
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unlock the doors after the door handle is gripped or back door unlock switch is
pressed.
A sudden approach to the effective range or door handle may prevent the doors from
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being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.
When the vehicle is not driven for extended periods
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To prevent theft of the vehicle, do not leave the electronic key within 2 m (6 ft.) of the
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vehicle.
The smart entry & start system can be deactivated in advance. (P. 638)
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To operate the system properly
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Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when operating the system from the outside of the
vehicle.
Depending on the position and holding condition of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prevention function may not operate.)
If the smart entry & start system does not operate properly
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Locking and unlocking the doors: Use the mechanical key. (P. 605)
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Starting the engine: P. 606
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LX570_450d_OM_OM60R63E_(GE)
3-2. Opening, closing and locking the doors
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