2010 Jeep Commander Owner's Manual - Page 180

180 UNDERSTANDING YOUR INSTRUMENT PANEL 5. Complete one or more 360-degree turns (in an area free from large metal or metallic objects) until the "CAL" indicator turns off. The compass will now function normally. 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 map. Once properly set, the compass will automatically compensate for the differences, and provide the most accurate compass heading. For the most accurate compass performance, the compass must be set using the following steps. Compass Variance Map 1. Turn the ignition switch ON. NOTE: Magnetic materials should be kept away from 2. Press the MENU button until Personal Settings the overhead console or center of the headliner. This is (Customer-Programmable Features) menu is reached. where the compass sensor is located. 3. Press the SCROLL button until "Compass Variance" is displayed in the EVIC.