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Home >> GMC >> 2000 >> Envoy >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Auto Dimming Mirror >> Adjustments >> Compass >> Calibration

Auto Dimming Mirror: Adjustments: Compass: Calibration

Press and hold COMP button until "C" appears. Release COMP button. Heading display will start to rotate. Drive in small circles at 5 MPH or less until "C" goes out (approximately 1-5 circles). Compass is calibrated when direction is displayed. Normal calibration is achieved automatically by driving vehicle.