2009 Chrysler Town & Country Owner Manual - Page 262

260 UNDERSTANDING YOUR INSTRUMENT PANEL panel. This is where the compass module is located reset button (for approximately ten seconds) until the and such devices may interfere and cause false com- current variance zone number is displayed. To change the zone, press and release the CMTC reset button to increase pass readings. 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 or inaccurate, and the variance has been properly set, you may wish to manually recalibrate the compass. To manually calibrate the compass: Compass Variance Map To Set the Variance Start the engine and leave the transmission gear selector lever in the PARK position. Press and hold the CMTC 1. Start the engine and leave the transmission in the PARK position.