2009 Mercury Sable Owner's Manual - Page 86

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 after setting the speed control to get accurate highway fuel economy readings. For more information refer to Essentials of good fuel economy in the Maintenance and Specifications chapter. 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. 2. Press and release RESET to pause the timer. 3. Press and hold RESET for two seconds in order to reset the timer. Compass display The compass heading is displayed in the lower left corner of the message center next to the odometer. The compass reading may be affected when you drive near large buildings, bridges, power lines and powerful broadcast antenna. Magnetic or metallic objects placed in, on or near the vehicle may also affect compass accuracy. 86 2009 Sable (mgo) Owners Guide, 2nd Printing USA (fus)