Lexus 2013 IS250, Owner'S Manual

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3-2. Opening, closing and locking the doors and trunk
3
Operati
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each c
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IS250_EE(OM53B11E)

Battery-saving function (vehicles with entry function)
The battery-saving function will be activated in order to prevent the electronic
key battery and the battery from being discharged while the vehicle is not in
operation for a long time.

In the following situations, the smart entry & start system may take some time
to unlock the doors.
• The electronic key has been left within approximately 2 m (6 ft.) of the out-
side of the vehicle for 10 minutes or longer.
• The smart entry & start system has not been used for 5 days or longer.

If the smart entry & start system has not been used for 14 days or longer, the
doors cannot be unlocked at any door except the driver’s door. In this case, hold
the driver’s door handle, or use the wireless remote control or mechanical key,
to unlock the doors.

Electronic Key battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the
electronic key from receiving radio waves.
Press twice while pressing and hold-
ing . Confirm that the electronic key
indicator flashes 4 times.
While the battery-saving mode is set, the
smart entry & start system cannot be used.
To cancel the function, press any of the
electronic key buttons.