Toyota FJ Cruiser Instructions For Adjusting And Operating page 253

3−5. Other interior features
NOTICE
n
To avoid the compass malfunctions
Do not place magnets or any metal objects on or near the accessory meter.
Doing this may cause a malfunction of the compass sensor.
n
To ensure normal operation of the compass
Do not perform circling calibration of the compass in a place where the
l
earth's magnetic field is subject to interference by artificial magnetic fields.
l During calibration, do not operate electric systems (power windows, etc.)
as they may interfere with the calibration.
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