Calibrating the Automatic Day-Night Mirror Compass Manually
1. If the C is being displayed, drive the vehicle slowly (5 mph or less) in a 360 degree circle until the display reads a compass direction.2. If the C is not being displayed turn the ignition switch ON" and the Automatic Day-Night Mirror on. Press the calibration switch by inserting the end of a paper clip into the hole on the bottom of the mirror and hold for 10 seconds until the letter C appears in the display. Now drive the vehicle slowly (5 mph or less) in a 360 degree circle until the display reads a compass direction.