Press to turn the compass on or off.
Turn the ignition and compass feature on. After a few seconds, the mirror displays the current compass direction.
If after a few seconds the display does not show a compass direction, (N for North for example), there may be a strong magnetic field interfering with the compass. Interference can be caused by a magnetic antenna mount, note pad holder, or similar object. If the letter C appears in the compass window, the compass may need to be reset or calibrated.
Calibrate the compass by driving the vehicle in circles at 5 mph (8 km/h) or less until the display reads a direction.
The mirror is set to zone eight. If you do not live in zone eight or drive out of the area, the compass variance needs to be changed to the appropriate zone.
To adjust for compass variance: