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large metal or metallic objects) until the “CAL” message
displayed in the EVIC turns off. The compass will now
function normally.
NOTE: A good calibration requires a level surface and
an environment free from large metallic objects such as
buildings, bridges, underground cables, railroad tracks,
etc.
Compass Variance
Compass Variance is the difference between Magnetic
North and Geographic North. To ensure compass accu-
racy, the compass variance should be properly set accord-
ing to the variance map for the zone where the vehicle
will be driven. When properly set, the compass will
automatically account for this difference.
NOTE: Magnetic and battery powered devices, (such as
cell phones, iPod’s, radar detectors, PDA’s and laptops)
should be kept away from the top of the instrument
panel. This is where the compass module is located and
such devices may interfere and cause false compass
readings.
To Set the Variance With the ignition in the ON position,
quickly (less than one second) press and release the EVIC
Compass Variance Map
204 UNDERSTANDING YOUR INSTRUMENT PANEL