Lexus ES 350 Owner's Manual page 25

When riding in an aircraft
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When bringing an electronic key onto an aircraft, make sure you do not press any
buttons on the electronic key while inside the aircraft cabin. If you are carrying an
electronic key in your bag etc, ensure that the buttons are not likely to be pressed
accidentally. Pressing a button may cause the electronic key to emit radio waves
that could interfere with the operation of the aircraft.
NOTICE
To prevent key damage
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Do not subject the keys to strong shocks, expose them to high temperatures by
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placing them in direct sunlight, or get them wet.
Do not expose the keys to electromagnetic materials or attach any material that
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blocks electromagnetic waves to the key surface.
Do not disassemble the electronic key.
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1-1. Key information
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