TOYOTA 2012 Avalon - Manual (Page 364)

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3-7. Other interior features
NOTICE
■
To avoid the compass malfunctions
Do not place magnets or any metal objects near the inside rear view mirror.
Doing this may cause a malfunction of the compass sensor.
■
To ensure normal operation of the compass
●
Do not perform 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 win-
dows, etc.) as they may interfere with the calibration.