2021 FORD F-450 Owners Manual

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FORD F-450 2021  Owners Manual For 4WD vehicles
Pull the 4WD control knob toward you.
For 2WD vehicles
Turn the control to ON.
Once the indicator light
illuminates in the information
display, both rear wheel axle
shafts will be loc

Page 226 of 666

FORD F-450 2021  Owners Manual GENERAL INFORMATION
Note:
 Occasional brake noise is normal.  If
a metal-to-metal, continuous grinding or
continuous squeal sound is present, the
brake linings may be worn-out.  Have the
system checke

Page 227 of 666

FORD F-450 2021  Owners Manual This feature increases engine braking at
higher engine speeds to provide better
grade descent control with less brake and
transmission wear and tear.
Note:
Use this when driving downhill and
carrying

Page 228 of 666

FORD F-450 2021  Owners Manual You can use this feature with tow/haul or
progressive range selection to provide
further increased engine braking. The
transmission automatically upshifts to
prevent the engine from entering the red
z

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FORD F-450 2021  Owners Manual When the system is active, your vehicle
remains stationary on the slope for two to
three seconds after you release the brake
pedal.  This allows time to move your foot
from the brake to the accelerato

Page 230 of 666

FORD F-450 2021  Owners Manual PRINCIPLE OF OPERATION
The traction control system helps avoid
drive wheel spin and loss of traction.
If your vehicle begins to slide, the system
applies the brakes to individual wheels
and, when need

Page 231 of 666

FORD F-450 2021  Owners Manual PRINCIPLE OF OPERATION
WARNING: Vehicle modifications
involving braking system, aftermarket
roof racks, suspension, steering system,
tire construction and wheel and tire size
may change the handling c

Page 232 of 666

FORD F-450 2021  Owners Manual Roll Stability Control
The system enhances your vehicle
’s ability
to prevent rollovers by detecting your
vehicle ’s roll motion and the rate at which
it changes by applying the brakes to one
or m