See also:

Units
Press and release the UP or DOWN button until “Units” displays highlighted in the EVIC and press the SELECT button. The EVIC, odometer, and navigation system (if equipped) can be changed bet ...

Control Setting Suggestions for Various Weather Conditions
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Compass Variance
Compass Variance is the difference between Magnetic North and Geographic North. To compensate for the differences, the variance should be set for the zone where the vehicle is driven, per the zone ...