Lexus LS460 User Manual page 119

Electronic key battery depletion
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The standard battery life is 1 to 2 years. (The card key battery life is about a year and
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a half.)
If the battery is low, an alarm will sound in the cabin when the engine is started or
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stopped. (P. 112)
The battery becomes depleted even if the electronic key is not used because the
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key always receives radio waves. If the smart access system with push-button start
or the wireless remote control does not operate, or the detection area becomes
smaller, the battery may be depleted. Replace the battery when necessary.
(P. 777)
To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
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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
• Glass top ranges
When the electronic key battery is fully depleted
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P. 777
Customization
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Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features P. 864)
LS460/LS460L_U (OM50D48U)
3-2. Opening, closing and locking the doors and trunk
119
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