User Manual - Page 205

For 2020 Super Duty F-350 XL.

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To return to the normal drive (D) position,
move the shift lever from manual (M) to
drive (D).
The transmission operates through the full
range of gears.
Forced downshifts
Allowed in drive (D) with the tow/haul
feature on or off.
Press the accelerator to the floor.
Allows transmission to select an
appropriate gear.
Understanding Your SelectShift
Automatic Transmission
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Note: When pressing the button on the
gearshift lever, you can cycle through the
available drive modes. See Drive Control
(page 262).
Your vehicle has a SelectShift Automatic
transmission gearshift lever. The
SelectShift Automatic transmission gives
you the ability to change gears up or down
without a clutch.
To prevent the engine from running at too
low of an RPM, which could cause it to
stall, SelectShift will downshift if it
determines that you have not downshifted
in time.
SelectShift does not upshift, even if the
engine is approaching the RPM limit. Shift
it manually by pressing the + button.
Note: Engine damage could occur if you
maintain excessive engine revving without
shifting.
The SelectShift Automatic transmission
feature has two modes:
Progressive Range Selection.
Manual (M).
Progressive Range Selection - PRS
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Progressive Range Selection gives you the
ability to lock out gears from the automatic
shifting range. This could provide you with
an improved driving experience, for
example, in slippery conditions or when
experiencing a steep slope.
With the gearshift lever in drive (D), press
the button to active PRS. The instrument
cluster indicates the available and selected
gears.
202
Super Duty (TFE), enUSA, Edition date: 201909, Third-Printing-
Transmission
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