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Calibration
            To calibrate your WayFinder V8000, Compass with Ice Alert:Find a location   where it will be safe to make a U-turn (an empty parking lot is ideal).    Park the vehicle away from other vehicles, leaving the engine running.    Switch on all electrical accessories that are normally used (heating   fan, radio, etc.).
              Press and hold the reset button for 3 seconds   (cardinal points, numeric digits and the word "CAL" will flash) wait 5   seconds to avoid initial, unstable condition then immediately begin   driving the vehicle slowly in a circle.  Complete at least one full 360   degree circle while the flashing "CAL" is displayed.  After   approximately 10 seconds the flashing "CAL" will disappear and the   cardinal points and the numeric digits will stop flashing. The   calibration of the compass is now completed.  Check that the compass is   providing readings that appear to be correct.
              For best results   mount the outside sensor probe either under the front bumper or in the   front door frame 2 inches under the hinge.  Mount the inside unit away   from electronics, such as speakers, and out of the sun.
            The switch to change from Celsius to Fahrenheit is in the battery compartment under the battery."