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Compass Calibration

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure mirror has correct compass variation zone number. See COMPASS MAGNETIC VARIATION ADJUSTMENT .
  2. Start engine. Locate compass switch button. Depending on mirror model, switch button will be marked with COMP, COMPASS or ON/OFF. Press and hold switch button until "C" or "CAL" is displayed in mirror.
  3. Drive vehicle in circles at a speed less than 5 mph (8 km/h) until "C" or "CAL" is replaced by a proper vehicle heading. Calibration is complete.
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