Lexus GS450h Owner's Manual page 157

Note for the push-start function
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Even when the electronic key is within the effective range (detection areas), the system
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may not operate properly when the electronic key is on the instrument panel, rear
package tray or floor, or in the door pockets or glove box when the hybrid system is
started or power switch modes are changed.
Even if the electronic key is not inside the vehicle, it may be possible to start the hybrid
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system if the electronic key is near the window.
When the vehicle is not driven for extended periods
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Vehicles with entry function: To prevent theft of the vehicle, do not leave the electronic
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key within 2 m (6 ft.) of the vehicle.
The smart entry & start system can be deactivated in advance. (P. 561)
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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-
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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.)
Do not leave the electronic key inside the trunk.
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The key confinement prevention function may not operate, depending on the location
of the key (close to a spare tire [if equipped], the inside edge of the trunk), conditions
(inside a metal bag, close to metallic objects) and the radio waves in the surrounding
area. (P. 148)
If the smart entry & start system does not operate properly
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Locking and unlocking the doors and opening the trunk: Use the mechanical key.
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(P. 527)
Starting the hybrid system: P. 528
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Customization
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Settings (e. g. smart entry & start system) can be changed.
(Customizable features: P. 561)
If the smart entry & start system has been deactivated in a customized setting
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Locking and unlocking the doors and opening the trunk:
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Use the wireless remote control or mechanical key. (P. 139, 147, 527)
Starting the hybrid system and changing power switch modes:P. 528
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Stopping the hybrid system: P. 218
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GS450h_300h_OM_OM30F92E_(EE)
3-2. Opening, closing and locking the doors and trunk
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