Toyota 4runner 2009 User Manual page 349

3-6. Other interior features
Circling calibration
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n Conditions unfavorable to correct operation
The compass may not show the correct direction in the following conditions:
The vehicle is stopped immediately after turning.
l
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
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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.
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(There is a magnet or metal object near the inside rear view mirror.)
The battery has been disconnected.
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A door is open.
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CAUTION
While driving the vehicle
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Do not adjust the display. Be sure to adjust the display only when the vehicle
is stopped.
When doing the circling calibration
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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.
352
When "C" appears on the dis-
play, drive the vehicle at 5 mph
(8 km/h) or less in a circle until a
direction is displayed.
If there is not enough space to
drive in a circle, drive around the
block until the direction is dis-
played.