1999 Mercury Villager Owner's Manual - Page 17

Instrumentation INST ECONOMY Press SELECT until the menu displays INST ECONOMY. This will display your fuel economy in ˚F ˚C MILES/GAL liters/100 km or miles/gallon based L/100 km MILES km on the type of traffic you are in. OUTSIDE TEMP INST ECONOMY Your vehicle must be moving to AVG ECONOMY TO EMPTY calculate instantaneous fuel economy. When your vehicle is not moving, this function shows 99.9 L/100km or 0.0 MILES/GAL. Instantaneous fuel economy cannot be reset. AVG ECONOMY Press SELECT until the menu displays AVG ECONOMY. This will display your average fuel economy ˚F ˚C MILES/GAL in liters/100 km or miles/gallon. L/100 km MILES km OUTSIDE TEMP If you calculate your average fuel INST ECONOMY economy by dividing liters of fuel AVG ECONOMY TO EMPTY used by 100 kilometers traveled (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 • rounding of the displayed values to the nearest 0.1 liter (gallon) Checking your highway fuel economy using the electronic message center display Use the following procedure will allow you to accurately monitor your actual highway fuel economy. This procedure requires the vehicle speed control system to be set to highway speeds and must be run only on suitable roadways where long distance speed control can be safely maintained. You may notice gradual improvement in fuel economy over the course of your vehicle's break-in period (approximately 1 600 kilometers [1 000 miles]). 1. Set the speed control. Refer to Speed control in the Controls and features chapter. 17