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3-1. Key information
3
Operation of each component
NX200t/200_OM_Europe_OM78156E
■ Electronic key battery depletion
● The standard battery life is 1 to 2 years. (The card key battery life is about a year and a
half.)
● 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 indicate that the elec-
tronic key battery may be depleted. Replace the battery when necessary. (P. 554)
• 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.
● 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
• Induction cookers
• Table lamps
■ Replacing the battery
P. 554
■ Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped professional for
details.
■ If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.
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