For vehicles with an electronic
shift-on-the-fly transfer case, when
shifting into two-wheel drive high on dry,
hard surfaced roads, we recommend that
you follow the following procedure to
reduce the likelihood of a mechanical shift
block:
1. While driving straight, come to a
complete stop on a flat, horizontal
surface.
2. For vehicles with an automatic
transmission, shift into park (P). For
vehicles with a manual transmission,
press the clutch.
3. Select 2H and wait for the 2H LED to
become solid.
4. For vehicles with an automatic
transmission, shift into reverse (R). For
vehicles with a manual transmission,
select reverse (R) and release the
clutch. Let the vehicle roll backward up
to 3 ft (1 m) and press the brake.
5. For vehicles with an automatic
transmission, shift into drive (D). For
vehicles with a manual transmission,
press the clutch in again, select a
forward gear and release the clutch.
Let the vehicle roll forward up to 3 ft
(1 m).
If the system is mechanically blocked, one
or more of the following actions can relieve
the mechanical shift block:
• Momentary acceleration.
• Momentary braking.
• Bringing the vehicle to a stop.
• Shifting the transmission to neutral and
back to drive.
• Shifting the transmission to reverse
and back to drive.
• Driving the vehicle around a tight turn
at a slow speed.
SWITCHING FOUR-WHEEL
DRIVE ON AND OFF
A vehicle that comes with four-wheel drive,
when selected, has the ability to use all
four wheels to power itself. This increases
traction, which may enable you to safely
drive over terrain and road conditions that
a conventional two-wheel drive vehicle
cannot.
On some four-wheel drive models, the
initial shift from two-wheel drive to
four-wheel drive while the vehicle is
moving can cause a momentary clunk and
ratcheting sound. These sounds are normal
as the front drivetrain comes up to speed
and are not cause for concern.
Note: Your four-wheel drive system is for
use with a spare tire that is identical in
make, model and size, to the road tires.
We make four-wheel drive vehicles
specially for driving on sand, snow, mud
and rough terrain and having operating
characteristics that are somewhat
different from conventional vehicles, both
on and off the road.
The transfer case supplies power to all four
wheels. On four-wheel drive vehicles, the
transfer case allows you to select different
four-wheel drive modes when necessary.
184
2021 Bronco (TG1) Canada/United States of America, enUSA, Edition date: 202101, First-Printing
Four-Wheel Drive
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