2008 Chrysler Town & Country Owner Manual - Page 244

242 UNDERSTANDING YOUR INSTRUMENT PANEL To Set the Variance NOTE: Refer to the "Compass Variance Map" in the following "Electronic Vehicle Information Center (EVIC)" section for your Zone Value. Start the engine, and leave the transmission gear selector lever in the PARK position. Press and hold (approximately ten seconds) the CMTC reset button until the current variance zone number is displayed. To change the zone, press and release the CMTC reset button to increment the variance one step. Repeat as necessary, until the desired variance is achieved. NOTE: The factory default Zone is 8. During programming, the zone value will wrap around from Zone 15 to Zone 1. Manual Compass Calibration If the compass appears erratic, inaccurate or abnormal, you may wish to calibrate the compass. Prior to calibrating the compass make sure the proper zone is selected. 1. Start the engine, and leave the transmission in the PARK position. 2. Press and hold (approximately 10 seconds) the CMTC reset button until the current variance zone number is displayed. 3. Release the CMTC reset button, then press and hold again (approximately 10 seconds), until the direction is displayed with the CAL indicator on continuously in the display. 4. To complete the compass calibration, drive the vehicle in one or more complete 360 degree circles under 5 mph (8 km/h) in an area free from power lines, large metallic objects, until the CAL indicator turns off. The compass will now function normally.