2002 Chevrolet Impala Owner's Manual - Page 171
2002 Chevrolet Impala Manual
Page 171 highlights
Turn the ignition on and cycle the DIC to the Compass/Temperature mode. Press the RESET button for approximately five seconds. The last entered variance zone number and VAR will be displayed. Press the MODE button until the proper variance number on the map is shown. Press the RESET button to set the new variance zone and resume normal operation. All the display segments will be illuminated briefly to acknowledge the change in zone number. A chime will sound to confirm that the new zone number has been set. Automatic Compass Calibration The compass is self-calibrating, which eliminates the need to manually set the compass. When the vehicle is new, the calibration process may not be complete. In these cases CAL will be displayed, and all segments of the compass will be illuminated where the compass reading is normally displayed. All Segments Illuminated To calibrate the compass, in an area free from large metal objects, make one to two 360_ turns. The calibration symbol will turn off and the compass reading will be displayed. 2-105
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