Lexus IS250 U Owner's Manual page 118

118
3-2. Opening, closing and locking the doors and trunk
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 6 ft. (2 m) of the
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vehicle.
The smart access system with push-button start can be deactivated in advance.
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(P. 537)
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 luggage compartment.
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The key confinement prevention function may not operate, depending on the location
of the key (close to a spare tire, the inside edge of the luggage compartment), condi-
tions (inside a metal bag, close to metallic objects) and the radio waves in the surround-
ing area. (P. 111)
If the smart access system with push-button start 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. 499)
Starting the engine: P. 500
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Customization
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Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features: P. 537)
If the smart access system with push-button start has been deactivated in a customized
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setting
Locking and unlocking the doors and opening the trunk:
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Use the wireless remote control or mechanical key. (P. 103, 109, 499)
Starting the engine and changing engine switch modes: P. 500
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Stopping the engine: P. 159
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IS350/250_U (OM53C50U)