FORD 2004 F-550 v.3 - Manual (Page 138)

N (Neutral)
With the gearshift lever in N (Neutral), the vehicle can be started and is
free to roll. Hold the brake pedal down while in this position.
D (Overdrive) with Tow/Haul OFF
D (Overdrive) with Tow/Haul OFF is the normal driving position for the
best fuel economy. The overdrive function allows automatic upshifts and
downshifts through gears one through five.
D (Overdrive) with Tow/Haul ON
The Tow/Haul feature improves transmission operation when towing a
trailer or a heavy load. All transmission gear ranges are available when
using Tow/Haul.
To activate Tow/Haul, press the
button on the end of the gearshift
lever.
• Gearshift lever type A
• Gearshift lever type B
The TOW HAUL indicator light will illuminate in either the instrument
cluster or on the gearshift lever, depending on how your vehicle is
equipped.
• Gearshift lever indicator
• Instrument cluster indicator
Tow/Haul delays upshifts to reduce frequency of transmission shifting.
Tow/Haul also provides engine braking in all forward gears when the
transmission is in the D (Overdrive) position; this engine braking will
slow the vehicle and assist the driver in controlling the vehicle when
descending a grade. Depending on driving conditions and load
2004 F250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA English (fus)
Driving
138