GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Yukon - 2WD 🢒 Body and Accessories 🢒 Stationary Windows 🢒 Compass Calibration Description
  1. Turn the vehicle ignition switch to the ON position.

    2. The letter C should be displayed in the mirror compass window.

    If not, hold the COMP switch for 6 seconds until the letter C is displayed in the mirror compass window.

  2. In order to verify the calibration quickly, perform the following procedure:
    3. • Find an area free of large metal and metallic objects.
    • Drive the vehicle in a 360 degree circle at less than 5 MPH, until the display reads a compass direction.
    • If the compass does not calibrate after three 360 degree circles and the compass still displays C, replace the mirror assembly.
    • If the compass displays C to begin with and then displays all segments after 2 minutes, refer to Magnetic Field Description .
    • Normal calibration is achieved automatically by simply driving the vehicle.