Lexus CT200h Owner's Manual page 480

3-7. Other interior features
NOTICE
To avoid compass malfunctions
■
Do not place magnets or any metal objects near the inside rear view mirror.
Doing this may cause the compass sensor to malfunction.
To ensure normal operation of the compass
■
Do not perform a circling calibration of the compass in a place where the earth' s
●
magnetic field is subject to interference by artificial magnetic fields.
During calibration, do not operate electric systems (moon roof, power windows,
●
etc.) as they may interfere with the calibration.
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CT200h_U (OM76040U)