Toyota Sienna2013 Owner's Manual page 27

1-2. Opening, closing and locking the doors
Electronic key battery depletion
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The standard battery life is 1 to 2 years.
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If the battery becomes low, an alarm will sound in the cabin when the
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engine stops. (→P. 41)
As the electronic key always receives radio waves, the battery will
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become depleted even if the electronic key is not used. The following
symptoms indicate that the electronic key battery may be depleted.
Replace the battery when necessary. (→P. 709)
• The smart key system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
To avoid serious deterioration, do not leave the electronic key within 3 ft.
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(1 m) of the following electrical appliances that produce a magnetic field.
• TVs
• Personal computers
• Recharging cellular phones or cordless phones
• Cellular phones, cordless phones and battery chargers
• Induction cookers
• Table lamps
When the electronic key battery is fully depleted
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→P. 709
Customization that can be configured at Toyota dealer
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Settings (e.g. smart key system) can be changed.
(Customizable features →P. 831)
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