Lexus NX350h 2022 Owner's Manual page 72

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1-5. Entering/exiting the vehicle and loading luggage
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
electronic key battery may be depleted. Replace the battery when necessary.
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
Table lamps
Induction cookers
Table lamps
Battery-saving function
The battery-saving function will be activated in order to prevent the electronic key
battery and the 12-volt battery from being discharged while the vehicle is not in operation
for a long time.
In the following situations, the smart access system with push-button start may take
some time to unlock the doors.
The electronic key has been left in an area of approximately 11 ft. (3.5 m) of the
outside of the vehicle for 2 minutes or longer.
The smart access system with push-button start has not been used for 5 days or
longer.
If the smart access system with push-button start has not been used for 14 days or
longer, the doors cannot be unlocked at any doors except the driver' s door. In this
case, take hold of the driver' s door handle, or use the wireless remote control or the
mechanical key, to unlock the doors.
Electronic key battery-saving mode
When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from receiving radio waves.
While pressing and holding
the electronic key will flash 4 times and battery-saving mode will be entered.
70
on the electronic key, press
twice. The indicator on

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