2009 Dodge Caliber Owner Manual - Page 190

188 UNDERSTANDING YOUR INSTRUMENT PANEL NOTE: A good calibration requires a level surface and an environment free from large metallic objects such as buildings, bridges, underground cables, railroad tracks, etc Compass Variance Compass Variance is the difference between Magnetic North and Geographic North. To ensure compass accuracy, the compass variance should be properly set according to the variance map for the zone where the vehicle will be driven. When properly set, the compass will automatically account for this difference. NOTE: Magnetic and battery powered devices, (such as cell phones, iPod's, radar detectors, PDA's and laptops) should be kept away from the top of the instrument panel. This is where the compass module is located and such devices may interfere and cause false compass readings. Compass Variance Map To Set the Variance: with the ignition in the ON position, with a short button press (less than one second) press and release the EVIC button several times until you have displayed the "Personal Settings (CustomerProgrammable Features)" menu. Once in the "Personal Settings (Customer-Programmable Features)" menu,