2009 Dodge Ram 1500 Pickup Owner Manual - Page 256

254 UNDERSTANDING YOUR INSTRUMENT PANEL Manual Compass Calibration If the compass appears erratic and the CAL indicator does not appear in the EVIC display, you must put the compass into the Calibration Mode manually, as follows: 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 1. Turn ON the ignition switch. set, the compass will automatically compensate for the 2. Press the UP or DOWN button until the Setup differences, and provide the most accurate compass (Customer-Programmable Features) menu is reached, heading. For the most accurate compass performance, the then press the SELECT button. compass must be set using the following steps. 3. Press the DOWN button until "Calibrate Compass" is NOTE: Keep magnetic materials away from the top of displayed in the EVIC. the instrument panel, such as iPod's, Cell Phones, Laptops and Radar Detectors. This is where the compass 4. Press and release the SELECT button to start the module is located, and it can cause interference with the calibration. The "CAL" indicator will be displayed in the compass sensor, and it may give false readings. EVIC. 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.