Challenger SRT-8 V8-6.1L (2009)
4. Use the SCROLL buttons (3) until COMPASS VARIANCE is highlighted. The "COMPASS VARIANCE" message and the last variance zone
number will be displayed.
5. Press and release the FUNCTION SELECT button (1) until the zone number for your geographic location appears in the display.
6. Press and release the compass/thermometer button (3) to exit.
7. Confirm that the correct directions are now indicated by the compass.