Battery-Saving Function; Electronic Key Battery Depletion; To Operate The System Properly - Toyota Land Cruiser Owner's Manual

1-2. Opening, closing and locking the doors
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Battery-saving function

In the following circumstances, the entry function is disabled in order to pre-
vent the vehicle and electronic key batteries from discharging.
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When the entry function has not been used for 2 weeks or more
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When the electronic key has been left within approximately 1 m (3 ft.) of
the vehicle for 10 minutes or more
The system will resume operation when...
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The vehicle is locked using the door handle lock switch.
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The vehicle is locked/unlocked using the wireless remote control function
(→P. 46) or the mechanical key. (→P. 32)
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Electronic key battery depletion

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The standard battery life is 1 to 2 years. (The battery becomes depleted
even if the electronic key is not used.) If the smart entry & start system or
the wireless remote control function does not operate, or the detection
area becomes smaller, the battery may be depleted. Replace the battery
when necessary. (→P. 455)
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If the battery becomes low, an alarm will sound in the cabin when the
engine stops. (→P. 42)
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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
• Recharging cellular phones or cordless phones
• Table lamps
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To operate the system properly

Make sure to carry the electronic key when operating the system. Do not get
the electronic key too close to the vehicle when operating the system from
the outside of the vehicle.
Depending on the position and holding condition of the electronic key, the
key may not be detected correctly and the system may not operate properly.
(The alarm may go off accidentally, or the door lock prevention may not func-
tion.)
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