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Compass Variance
Compass variance is the difference between
earth’s magnetic north and true geographic north.
If the mirror is not adjusted for compass
variance, the compass could give false readings.
The mirror is set in zone eight upon leaving
the factory. It will be necessary to adjust the
compass to compensate for compass variance if
the vehicle is driven outside zone eight. Under
certain circumstances, such as a long distance,
cross-country trip, it will be necessary to adjust the
compass variance.
To adjust for compass variance, do the following:
1. Find your current location and variance
zone number on the following zone map.
2. Press and hold the compass button until a
Z and a zone number appears on the display.
3. Once the zone number appears on the
display, press the compass button quickly until
you reach the correct zone number. If C or
CAL appears in the compass window,
the compass may need calibration. See
“Compass Calibration” listed previously.
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