FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Compass: Description and Operation

ELECTRONIC COMPASS

The compass display and module are an integral part of the interior rear view mirror. A 1 or 2 character display located in the upper right hand side of the mirror indicates the current direction of the vehicle (N, NE, E, SE, S, SW, W, NW). The compass continuously recalibrates due to changes in the magnetic field and remains accurate during most driving conditions. The compass display can be turned off and on by pressing the switch on the mirror.

Compass Accuracy
Driving near power lines, or driving in the area of large iron or steel structures can temporarily change the compass heading. If the compass remains inaccurate after driving near such objects, calibrate the compass.

Most geographic areas (zones) have a magnetic north compass point that varies slightly from the northerly direction on maps. This variation is 4 degrees between the adjacent zones and becomes noticeable as the vehicle crosses multiple zones. A correct zone setting eliminates the error.