2010 Dodge Charger Owner Manual - Page 197

196 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" message 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. Compass Variance Map NOTE: Keep magnetic materials away from the top of 1. Turn the ignition switch ON. the instrument panel, such as iPod's, Cell Phones, Lap2. Press and hold the HOME button for approximately tops and Radar Detectors. This is where the compass two seconds. module is located, and it can cause interference with the compass sensor, and it may give false readings.