2005 Nissan Titan Owner's Manual - Page 87

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 mode button for about 10 seconds. The current zone number will appear in the display. 2. Find your current location on the zone map. Refer to the illustration. Record the zone number. 3. Press the mode button repeatedly to toggle through the zone numbers until the desired number shows in the display. After you stop pressing the switch in, 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 mode button for about 8 seconds. The current zone number will appear in the display. 2. Toggle until the correct zone is found and release the button. 3. The display will return to the normal compass mode within a few seconds of no button activity. 4. If the vehicle changes zone, repeat steps 1 through 3. See map. ● If the compass deviates from the correct indication soon after repeated adjustment, have the compass checked at an authorized dealer. ● The compass may not indicate the correct compass point in tunnels or while driving up or down a steep hill. (The compass returns to the correct compass point when the vehicle moves to an area where the geomagnetism is stabilized.) ● If a magnet is located in or near the overhead console in the front of the vehicle or the vehicle is driven where the terrestrial magnetism is disturbed, the compass display may not indicate the correct direction. CAUTION Do not install a ski rack, antenna, etc., which are attached to the vehicle by means of a magnet. They affect the operation of the compass. Instruments and controls 2-11