You can customize the compass settings.

Select Setup > Heading.

Display

Sets the type of directional heading shown on the compass.

North Reference

Sets the north reference used on the compass.

Go To Line/Pointer

Sets the behavior of the pointer that appears on the map. Bearing points in the direction of your destination. Course (CDI) shows your relationship to the course line leading to the destination.

Compass

Automatically switches from an electronic compass to a GPS compass when you are traveling at a higher rate of speed for a period of time.

Calibrate Compass

Calibrates the compass (Calibrating the Compass).