Ford 2007 F-550 v.2 Manuel d'utilisateur télécharger pdf (Page 76)

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 miles traveled

since last fill-up by gallons of fuel used (multiply liters used by 100, then

divide by kilometers traveled), 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.

Compass display

The compass heading is displayed as one of N, NE, E, SE, S, SW, W and

NW in the message center display.

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.

Usually, when something affects the compass readings, the compass will

correct itself after a few days of operating your vehicle in normal

conditions. If the compass still appears to be inaccurate, a manual

calibration may be necessary. Refer to Compass zone/calibration

adjustment.

Most geographic areas (zones) have a magnetic north compass point that

varies slightly from the northerly direction on maps. This variation is four

degrees between adjacent zones and will become noticeable as the

vehicle crosses multiple zones. A correct zone setting will eliminate this

error. Refer to Compass zone/calibration adjustment.

2007 F-250/350/450/550 (f23)

Owners Guide (post-2002-fmt)

USA (fus)

Driver Controls

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Ford 2007 F-550 v.2 Manuel d'utilisateur Page 76