2005 Ford Expedition Owner's Manual - Page 78

Entertainment Systems Limited GPS reception System performance may be adversely affected if GPS reception is interrupted or interference occurs over a distance of several miles. The following are possible causes for GPS reception being interrupted. If the vehicle is: • in multi-story parking garages • in tunnels and under bridges • in between high buildings • by forests or tree-lined avenues • in heavy rain showers and thunderstorms • in valleys and in mountainous regions The GPS signal strength may vary. The directional heading indicator at the bottom of the screen might change color to indicate this signal strength. The colors are as follows: • Green - A clear GPS signal is being received. • Yellow - The GPS signal is partially blocked. • Red - The GPS signal is unavailable and may be temporarily blocked. To enter navigation mode Press NAV to access the navigation system menu. Use the cursor control, or the corresponding soft key to confirm your selection. If you select the wrong item, press the BACK control to return to the previous screen. Or, press NAV to return to the main Destination Entry menu and start again. NAV 78 2005 Expedition (exd) Owners Guide (post-2002-fmt) USA (fus)