2009 Jeep Grand Cherokee Owner Manual SRT8 - Page 201

UNDERSTANDING YOUR INSTRUMENT PANEL 199 4. Press and release the FUNCTION SELECT button to start the calibration. The "CAL" indicator will be displayed in the 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. Compass Variance Compass Variance is the difference between magnetic North and Geographic North. In some areas of the country, the difference between magnetic and geographic North is great enough to cause the compass to give false readings. For the most accurate compass performance, the compass variance must be set using the following procedure: NOTE: Magnetic materials should be kept away from the Overhead console. This is where the compass sensor is located. 4 1. Turn the ignition switch ON. 2. Press and hold the COMPASS/TEMPERATURE button for approximately two seconds. 3. Press the SCROLL button until the "Compass Variance" message, and the last variance zone number, display in the EVIC.