FORD 2003 F-550 v.2 - Manual (Page 120)

(Overdrive) can be deactivated
by pressing the transmission control
switch on the end of the gearshift
lever. This will illuminate the O/D
OFF lamp and activate Drive.
Note: If the Overdrive OFF light flashes steadily at any time, have the
system serviced immediately.
Drive (not shown)
Drive is activated when the transmission control switch is pressed.
• This position allows for all forward gears except overdrive.
• O/D OFF lamp is illuminated.
• Provides engine braking.
• Use when driving conditions cause excessive shifting from O/D to
other gears. Examples: city traffic, hilly terrain, heavy loads, trailer
towing and when engine braking is required.
• To return to O/D (overdrive mode), press the transmission control
switch. The O/D OFF lamp will not be illuminated.
• O/D (Overdrive) is automatically returned each time the key is turned
off regardless of last mode of operation.
2 (Second)
This position allows for second gear only.
• Provides engine braking.
• Use to start-up on slippery roads.
• To return to
(Overdrive), move the gearshift lever into the
(Overdrive) position.
• Selecting 2 (Second) at higher speeds will cause the transmission to
downshift to second gear at the appropriate vehicle speed.
1 (First)
• Provides maximum engine braking.
• Allows upshifts by moving gearshift lever.
• Will not downshift into 1 (First) at high speeds; allows for 1 (First)
when vehicle reaches slower speeds.
Forced downshifts
• Allowed in
(Overdrive) or Drive.
Driving
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