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Key battery depletion
Vehicles without a smart key system
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The standard battery life is 1 to 2 years.
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Even if the key is not used, the battery may become depleted and the fol-
lowing symptoms may occur. Replace the battery with a new one when nec-
essary. (P. 466)
• The wireless remote control function does not operate.
• The area in which the wireless remote control function can be operated
becomes smaller.
Vehicles with a smart key system
●
The standard battery life is 1 to 2 years.
●
If the battery becomes low, an alarm will sound in the cabin when the engine
stops.
●
As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. (P. 466)
• 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 reduce key battery depletion when the electronic key is to not be used for
long periods of time, set the electronic key to the battery-saving mode.
(P. 151)
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To avoid serious deterioration, do not leave the electronic key within 3 ft. (1
m) of the following electrical appliances that produce a magnetic field:
• TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Table lamps
• Induction cookers
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Replacing the battery
P. 466
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Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer for details.
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If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.
3-1. Key information
131
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Table of Contents
Troubleshooting
