FORD 2009 F-150 v.1 - Manual (Page 102)

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.
Instantaneous fuel economy
Select this function from the INFO
menu to display your instantaneous
fuel economy. 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.
2. Press and release RESET to pause the timer.
3. Press and hold RESET for two seconds in order to reset the timer.
Blank screen
Press the RESET once to turn the message center display off.
2009 F-150 (f12)
Owners Guide, 1st Printing
USA (fus)
Driver Controls
102