A3 Quattro V6-3.2L (BUB) (2008)
It is necessary to calibrate the compass if:
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Compass directions are not correct.
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a "C" appears in compass display instead of a direction or nothing appears at all.
The compass may also need to be calibrated in exception situations, such as if:
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the vehicle battery is reconnected after being disconnected for an extended period.
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a new audio system or audio system component was installed.
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Switch on ignition.
A "C" must appear in compass display - 1 -.
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If "C" does not appear, press and hold button - 2 - at least 9 seconds until a "C" appears in compass display - 1 -.
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Drive in a circle two to three times at about 5 m.p.h. (10 km/h) until a direction is shown in compass display - 1 -.
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Ensure inside mirror automatic dimming function is activated again after completing calibration.
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Switch off ignition.
New Digital Compass, Calibrating
Work procedure
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Switch on ignition.
A "C" must appear in compass display - 1 -.
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If "C" does not appear, press and hold button - 2 - at least 9 seconds until a "C" appears in compass display - 1 -.
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Drive in a circle two to three times at about 5 m.p.h. (10 km/h) until a direction is shown in compass display - 1 -.
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Leave ignition switched on.
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Press and hold button - 2 - at least 6 seconds until "Z" and a zone number appears.
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Press - 2 - button again until desired zone number appears.
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Find desired zone on world map:
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North America
After a few seconds, compass display switches from zone number to direction.
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Ensure inside mirror automatic dimming function is activated again after completing calibration.
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Switch off ignition.
Zone, Setting
On long drives, it may be necessary to set a different zone, that is, if you travel more than two zones away from the base zone.