How does the compass display work?
If your Altima is equipped with a compass display, you’ll find it in the automatic rearview mirror. It measures magnetism and it can help you determine which direction your car is headed (north, south, east, west, only – it doesn’t display NW, SE, etc.). Using the compass is easy:
Push the compass button for a second to turn it on or off.
Push the button for five seconds to change settings.
Push the button for nine seconds to start recalibration.
If you see the letter C when you turn on the compass, it needs to be recalibrated. Enter calibration mode and then turn three circles with the car going less than five miles per hour.
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