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Compass Calibration
Press the on/off button for eight seconds to activate
the compass calibration mode. The letter C will be
displayed in the compass window on the mirror.
The mirror can be calibrated in one of two ways:
D
Drive the vehicle in circles at 5 mph (8 km/h) or less
until the display indicates a direction or until C is no
longer displayed in the compass window.
D
Drive the vehicle on your everyday routine.
Compass Variance
Compass variance is the difference between earth’s
magnetic north and true geographic north. If not
adjusted to account for compass variance, your 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 you
live outside zone eight. Under certain circumstances,
such as during a long distance cross
-country trip, it will
be necessary to adjust for 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. Make sure the compass is in calibration mode. See
“Compass Calibration” in the Index. Press the on/off
button to display the zone number.
3. Scroll through the zone numbers that appear in the
compass window of the mirror. Once you find your
zone number in the window, release the on/off
button. After about four seconds, the mirror will
return to the compass display, and the new zone
number will be set. Compass calibration may be
necessary. See “Compass Calibration” in the Index.
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