2008 Nissan Xterra Owner's Manual - Page 86
2008 Nissan Xterra Manual
Page 86 highlights
Zone variation change procedure The difference between magnetic north and geographical north is known as variance. In some areas, this difference can sometimes be great enough to cause false compass readings. Follow these instructions to set the variance for your particular location if this happens: 1. Press and hold the button for about 5 seconds. The current zone number will appear in the display. Release the button. 2. Find your current location on the zone map. Refer to the illustration. 3. Press the button repeatedly to toggle through the zone numbers until the desired number appears in the display. Once you have selected a zone number, the display will show a compass direction within a few seconds. Inaccurate compass direction The compass display is equipped with automatic correction function. If the correct direction is not shown, follow this procedure. 1. With the display turned on, press and hold the button for about 13 seconds. The "CAL" icon in the compass display will illuminate. WIC0355 2-10 Instruments and controls