Ram 2020 3500 dually truck 2020 RAM 3500

User Manual - Page 236

For 2020 RAM 3500.

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234 STARTING AND OPERATING
When you select a different transfer case position,
the indicator lights will do the following:
If All Of The Following Shift Conditions Are Met:
1. The current position indicator light will turn
off.
2. The selected position indicator light will flash
until the transfer case completes the shift.
3. When the shift is complete, the indicator light
for the selected position will stop flashing and
remain on.
If One Or More Of The Following Shift Conditions
Are Not Met:
1. The indicator light for the current position will
remain on.
2. The newly selected position indicator light will
continue to flash.
3. The transfer case
will not shift.
NOTE:
Before retrying a selection, make certain that all
the necessary requirements for selecting a new
transfer case position have been met. To retry the
selection, push the current position, wait five
seconds, and retry selection. To find the shift
requirements, refer to the “Shifting Procedure” for
your transfer case, located in this section.
The “SVC 4WD Warning Light” monitors the
electronic shift four-wheel drive system. If this light
remains on after engine start up or illuminates
during driving, it means that the four-wheel drive
system is not functioning properly and that service
is required.
NOTE:
Do not attempt to make a shift while only the front
or rear wheels are spinning. This could cause
damage to driveline components.
When operating your vehicle in 4WD LOW, the
engine speed is approximately three times that of
the 2WD or 4WD HIGH positions at a given road
speed. Take care not to overspeed the engine and
do not exceed 25 mph (40 km/h).
Proper operation of four-wheel drive vehicles
depends on tires of equal size, type and
circumference on each wheel. Any difference in
tire size can cause damage to the drivetrain.
Because four-wheel drive provides improved
traction, there is a tendency to exceed safe turning
and stopping speeds. Do not go faster than road
conditions permit.
Shifting Procedure
NOTE:
If any of the requirements to select a new
transfer case position have not been met, the
transfer case will not shift. The position indi-
cator light for the previous position will remain
on and the newly selected position indicator
light will continue to flash until all the require-
ments for the selected position have been met.
If all the requirements to select a new transfer
case position have been met, the current posi-
tion indicator light will turn off, the selected posi-
tion indicator light will flash until the transfer
case completes the shift. When the shift is
complete, the position indicator light for
the selected position will stop flashing and
remain on.
WARNING!
Always engage the parking brake when powering
down the vehicle if the “SVC 4WD Warning Light”
is illuminated. Not engaging the parking brake
may allow the vehicle to roll which may cause
personal injury or death.
20_DJD2_OM_EN_USC_t.book Page 234
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