Toyota 2015 Hilux Owner's Manual page 159

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If the smart entry & start system does not operate properly
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Locking and unlocking the doors: Use the mechanical key. (→P. 519)
Starting the engine: →P. 520
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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 engine
stops. (→P. 494)
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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. 452)
• The smart entry & start 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.
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To avoid serious deterioration, do not leave the electronic key within 1 m (3
ft.) 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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If "KEY LEFT INSIDE VEHICLE"/"Key left inside vehicle" is shown on the
multi-information display (if equipped)
An attempt was made to lock the doors using the smart entry & start system
while the electronic key was still inside the vehicle, or an attempt was made
to lock either front door by opening a door and putting the inside lock button
into the lock position, then closing the door by pulling on the outside door
handle with the electronic key still inside the vehicle.
Retrieve the electronic key from the vehicle and lock the doors again.
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Customization that can be configured at any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional
Settings (e.g. smart entry & start system) can be changed.
(Customizable features: →P. 563)
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If the smart entry & start system has been deactivated in a customized
setting
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Locking and unlocking the doors:
Use the wireless remote control or mechanical key. (→P. 144, 519)
Starting the engine and changing engine switch modes: →P. 520
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Stopping the engine: →P. 221
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3-2. Opening, closing and locking the doors
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