2020 FORD F450 SUPER DUTY Owners Manual

Page 209 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Operator Commanded Regeneration
with Automatic Regeneration Control
(If Equipped)
If your vehicle is operated with significant
stationary operation, low speed drive
cycles less than 25 mph (40 km/h),

Page 210 of 633

FORD F450 SUPER DUTY 2020  Owners Manual AUTOMATIC TRANSMISSION
WARNING: Apply the parking
brake, shift into park (P), switch the
ignition off and remove the key before
you leave your vehicle. Failure to follow
this instruction could result

Page 211 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Understanding Your SelectShift
Automatic
™ TransmissionNote:
When pressing the button on the
gearshift lever, you can cycle through the
available drive modes. See Drive Control
(page 267).
Your vehi

Page 212 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Recommended shift speeds
Upshift according to the following chart:Upshifts when Accelerating (Recommended for Best Fuel Economy) 10 Speed
Diesel engines
Gasoline engines
Shift from:
10 mph (16 km/h)
7

Page 213 of 633

FORD F450 SUPER DUTY 2020  Owners Manual WARNING: If the parking brake is
fully released, but the brake warning
lamp remains illuminated, the brakes
may not be working properly. Have your
vehicle checked as soon as possible.
Note: Do not dri

Page 214 of 633

FORD F450 SUPER DUTY 2020  Owners Manual If Your Vehicle Gets Stuck in Mud
or Snow
Note:
Do not rock your vehicle if the engine
is not at normal operating temperature or
damage to the transmission could occur.
Note: Do not rock your vehicle

Page 215 of 633

FORD F450 SUPER DUTY 2020  Owners Manual USING FOUR-WHEEL DRIVE
Note:
For important information regarding
the safe operation of this type of vehicle,
see General Information in the Wheels and
Tires chapter.
Note: Do not use 4H or 4L mode on

Page 216 of 633

FORD F450 SUPER DUTY 2020  Owners Manual 4X2
Momentarily illuminates when
2H is selected.
4X4 HIGH Continuously illuminates when
4H is selected.
4X4 LOW Continuously illuminates when
4L is selected.
CHECK 4X4 Displays when a 4X4 fault is
pre