TOYOTA 2010 Sienna - Manual (Page 440)

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3-7. Other interior features
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Conditions unfavorable to correct operation
The compass may not show the correct direction in the following conditions:
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The vehicle is stopped immediately after turning.
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The vehicle is on an inclined surface.
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The vehicle is in a place where the earth's magnetic field is subject to
interference by artificial magnetic fields (underground car park/parking
lot, under a steel tower, between buildings, roof car park/parking lot, near
an intersection, near a large vehicle, etc.).
●
The vehicle has become magnetized.
(There is a magnet or metal object near the trip information display.)
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The battery has been disconnected.
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A door is open.
CAUTION
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While driving the vehicle
Do not adjust the display. Be sure to adjust the display only when the vehicle
is stopped.
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When doing the circling calibration
Be sure to secure a wide space, and watch out for people and vehicles in the
neighborhood. Do not violate any local traffic rules while performing circling
calibration.
NOTICE
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To avoid a compass malfunctions
Do not place magnets or any metal objects near the roof of the vehicle.
Doing this may cause a malfunction of the compass sensor.
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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.