Ford Windstar Owner's Manual page 36

TRIP DISTANCE
Your trip distance is the distance you have traveled since the
last reset. To display your current trip distance, press the
SELECT button until the pointer is at TRIP DISTANCE. To reset
the trip distance to zero, press the RESET button while the
pointer is at TRIP DISTANCE. You may want to use this feature
to see how far you have traveled on a particular trip.
If you do not reset your trip distance, the display will roll over
to zero when it passes 1999 miles or kilometers. If you switch
from miles to kilometers after you have passed 1242 miles
(1999 kilometers), you must add 2000 to the kilometers display
for actual distance traveled. The display will then roll over to
zero when it passes 1218 kilometers (3218 kilometers or 1999
miles traveled) whether you select English or metric units. If the
display is in metric units when you pass 1999 kilometers (1242
miles), both English and metric trip distances will roll over to
zero.
INSTANT ECONOMY
Your instantaneous fuel economy is your vehicle's fuel economy
over the last one second of driving. To display your
instantaneous fuel economy, press SELECT until the pointer is
at INSTANT ECONOMY. Your instantaneous fuel economy
changes with your driving conditions. Factors affecting fuel
economy include braking, acceleration, and road terrain. You
may want to use this feature to see how your driving habits
affect your fuel economy. INSTANT ECONOMY is not
resettable.
Your instantaneous fuel economy can vary from 0 to 99 miles
per gallon or from 99 to 2 liters per 100 kilometers when your
vehicle is moving. When your vehicle is not moving, fuel
economy is displayed as 0 miles per gallon or as a number of
liters per hour. In the metric mode, instantaneous fuel economy
will display in liters per hour when your vehicle speed drops
below 5 km/h and will stay in liters per hour until your speed
exceeds 7 km/h.
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