2009 Ford Expedition Owner Guide 2nd Printing - Page 142

Driver Controls Average fuel economy (AFE) Select this function from the INFO menu to display your average fuel economy in miles/gallon or liters/100 km. If you calculate your average fuel economy by dividing 100 miles traveled by gallons of fuel used (kilometers traveled by liters used), your figure may be different than displayed for the following reasons: • Your vehicle was not perfectly level during fill-up • Differences in the automatic shut-off points on the fuel pumps at service stations • Variations in top-off procedure from one fill-up to another • Rounding of the displayed values to the nearest 0.1 gallon (liter) 1. Drive the vehicle at least 5 miles (8 km) with the speed control system engaged to display a stabilized average. 2. Record the highway fuel economy for future reference. It is important to press the RESET control (press and hold RESET for two seconds in order to reset the function) after setting the speed control to get accurate highway fuel economy readings. Instantaneous fuel economy Press INFO until the menu displays "MPG". This will display your fuel economy as a bar graph ranging from poor economy to excellent economy. Your vehicle must be moving to calculate instantaneous fuel economy. When your vehicle is not moving, this function shows one or no bars illuminated. Instantaneous fuel economy cannot be reset. Trip elapsed drive time Select this function from the INFO menu to display a timer. To operate the Trip Elapsed Drive Time perform the following: 1. Press and release RESET in order to start the timer. 142 2009 Expedition (exd) Owners Guide, 2nd Printing USA (fus)