Toyota COROLLA Owner's Manual page 115

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When "Smart Entry & Start System Malfunction See Owner's Manual" is
displayed on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.
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Battery-saving function
The battery-saving function will be activated in order to prevent the electronic
key battery and the vehicle battery from being discharged while the vehicle is
not operated 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
outside 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 from 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.
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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.
3-2. Opening, closing and locking the doors
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