For proper operation, make sure that each
hub is fully engaged and that both hub
locks are set to the same position (both
set to LOCK or both set to AUTO). To
engage LOCK, turn the hub locks
completely clockwise; to engage AUTO,
turn the hub locks completely
counterclockwise.
The ESOF 4WD system:
•
provides 4x4 High engagement and
disengagement while the vehicle is
moving.
•
is operated by a rotary control located
on the instrument panel that allows
you select 4x2, 4x4 High or 4x4 Low
operation.
•
uses auto-manual hub locks that can
be engaged and disengaged
automatically based on the 4x4 mode
selected.
•
will increase fuel economy when used
in the hub lock's recommended AUTO
mode.
4WD Indicator Lights
Note:
When a 4X4 system fault is present,
the system will typically remain in whichever
4X4 mode was selected prior to the fault
condition occurring. It will not default to 4X2
in all circumstances. When this warning is
displayed, have your vehicle serviced by an
authorized dealer.
4X2
E163173
Momentarily illuminates when
2H is selected.
4X4 HIGH
E181779
Continuously illuminates when
4H is selected.
4X4 LOW
E181780
Continuously illuminates when
4L is selected.
CHECK 4X4
Displays when a 4X4 fault is
present.
Using a Manual Shift On Stop
(MSOS) 4WD system
(If Equipped)
Note:
High shift efforts may be encountered
when attempting to shift into and out of 4x4
modes. It is recommended to allow the
vehicle to roll at a speed below 3 mph
(5 km/h) when shifting between modes.
E233846
2H (4X2)
For general on-road driving. Sends power
to the rear wheels only and should be used
for street and highway driving. Provides
optimal smoothness and fuel economy at
high speeds
4H (4X4 High)
Used for extra traction such as in snow or
icy roads or in off road situations. This
mode is not intended for use on dry
pavement.
211
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Four-Wheel Drive
(If Equipped)