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4. Press the reset stem until the vehicle heading, for
example, N for North, is displayed in the DIC.
5. If calibration is necessary, calibrate the compass.
See “Compass Calibration Procedure” following.
Compass Calibration
The compass can be manually calibrated. Only calibrate
the compass in a magnetically clean and safe location,
such as an open parking lot, where driving the vehicle
in circles is not a danger. It is suggested to calibrate
away from tall buildings, utility wires, manhole covers,
or other industrial structures, if possible.
If CAL should ever appear in the DIC display, the
compass should be calibrated.
If the DIC display does not show a heading, for
example, N for North, or the heading does not change
after making turns, there may be a strong magnetic field
interfering with the compass. Such interference may be
caused by a magnetic CB or cell phone antenna mount, a
magnetic emergency light, magnetic note pad holder, or
any other magnetic item. Turn off the vehicle, move the
magnetic item, then turn on the vehicle and calibrate the
compass.
To calibrate the compass, use the following procedure:
Compass Calibration Procedure
1. Before calibrating the compass, make sure the
compass is set to the variance zone in which
the vehicle is located. See “Compass Variance
(Zone) Procedure” earlier in this section.
Do not operate any switches such as window,
sunroof, climate controls, seats, etc. during
the calibration procedure.
2. Press the reset stem until the C ## is displayed.
3. Once the appropriate variance zone is selected,
press the reset stem. A flashing C will display.
4. Drive the vehicle in tight circles at less than
5 mph (8 km/h) to complete the calibration.
When the calibration is complete, the vehicle
heading, for example, N for North, displays instead
of the C.
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