Lexus RC350 User Manual page 135

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 a
●
half.)
If the battery becomes low, an alarm will sound in the cabin when the engine is stopped.
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(P. 567)
As the electronic key always receives radio waves, the battery will become depleted
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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. 517)
• The smart access system with push-button start 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 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
Replacing the battery
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P. 517
Confirmation of the registered key number
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The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details.
If a wrong key is used
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The key cylinder rotates freely, isolated from the internal mechanism.
RC350_RC300_RC200t_RC F_U (OM24671U)
3-1. Key information
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