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Electronic compass (if equipped)
The compass reading will remain accurate during most driving
conditions. The compass is continuously re-calibrating due to changing
magnetic fields and subtle, slow changes in vehicle magnetics which can
occur over the life of the vehicle. If heading appears inaccurate
re-calibrate mirror, refer to Compass calibration adjustment.
The compass reading will remain fixed when significant levels of
magnetic interference are experienced (such as steel bridges). The
compass will return to normal operation upon leaving the magnetized
area.
If highly magnetized items (such as magnetic mount antennas) are
placed very near the compass the display will change to “C”. If a “C” is
displayed, remove the source of magnetic interference and re-calibrate
compass, refer to Compass calibration adjustment.
Most geographic areas (zones) have a magnetic north compass point that
varies slightly from the northerly direction on maps. A correct zone
setting will eliminate this error. You MUST set the mirror to the proper
zone to get an accurate compass reading, refer to Compass zone
adjustment.
Compass zone adjustment
1. Determine which compass zone
you are in by referring to the zone
map.
2. Turn the ignition to the on
position.
3. Press and hold the control for no
more than six seconds until the
zone selection number appears in
the mirror display window. If a “C”
appears repeat this step.
4. Release the control, then press it
down again.
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2009 05+ Mustang (197)
Owners Guide
USA (fus)
Driver Controls
65