2009 Chrysler PT Cruiser Owner Manual - Page 175

UNDERSTANDING YOUR INSTRUMENT PANEL 173 Compass/Temperature Display 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. 4 Compass Variance Map To Set the Variance Start the engine, and leave the transmission shift lever in the PARK position. Press and hold (approximately ten seconds) the compass/temperature RESET button until the current variance zone number is displayed. To change