2002 Mercury Grand Marquis Owner Guide 1st Printing - Page 87

Driver Controls AVG FUEL ECONOMY (average fuel economy) Select this function to display your DISTANCE AVG FUEL TO EMPTY ECONOMY average fuel economy in liters/100 TRIP TRIP AVG km or miles/gallon. A B SPEED If you calculate your average fuel economy by dividing miles traveled by gallons 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 liter (gallons) Press the RESET control while AVG RESET E/M SELECT ECON is displayed to reset the function. The average displayed is the average since the last reset. 87