Ram 2021 3500 dually truck 2021 RAM 3500

User Manual - Page 222

For 2021 RAM 3500.

PDF File Manual, 456 pages, Download pdf file

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220 STARTING AND OPERATING
The sequence will cancel if any of the following
conditions occur:
Brakes are applied
Vehicle is shifted from PARK
Vehicle is no longer stationary
Left turn signal activated from stalk
Right turn signal is activated from stalk
Hazard switch is activated
Any button on the key fob is pushed
Ignition button is pushed
High Beam stalk position is changed
Sequence is canceled in the instrument cluster
TOWING TIPS
Before setting out on a trip, practice turning,
stopping, and backing up the trailer in an area
located away from heavy traffic.
Automatic Transmission
The DRIVE range can be selected when towing. The
transmission controls include a drive strategy to
avoid frequent shifting when towing. However, if
frequent shifting does occur while in DRIVE, select
TOW/HAUL mode or select a lower gear range (using
the Electronic Range Select [ERS] shift control).
NOTE:
Using TOW/HAUL mode or selecting a lower gear
ra
nge (using the ERS shift control) while operating
the vehicle under heavy loading conditions will
improve performance and extend transmission life
by reducing excessive shifting and heat build up.
This action will also provide better engine braking.
Tow/Haul Mode
To reduce potential for automatic transmission
overheating, activate TOW/HAUL mode when
driving in hilly areas, or select a lower gear range
(using the Electronic Range Select [ERS] shift
control) on more severe grades.
Cruise Control — If Equipped
Do not use on hilly terrain or with heavy loads.
When using the Cruise Control, if you experience
speed drops greater than 10
mph (16 km/h),
d
i
sengage until you can get back to cruising
speed.
Use Cruise Control in flat terrain and with light
loads to maximize fuel efficiency.
Air Suspension System
To aid in attaching/detaching the trailer from the
vehicle, the air suspension system can be used
Ú page 157.
NOTE:
The vehicle must remain in the engine running
pos
ition while attaching a trailer for proper leveling
of the air suspension system.
SNOWPLOW
Snowplow Prep Packages are available as a factory
installed option. These packages include
components necessary to equip your vehicle with a
snowplow.
NOTE:
Before installation of a snowplow it is highly recom-
mended that the owner/installer obtain and follow
t
h
e recommendations contained within the current
Body Builders Guide. See an authorized dealer,
installer or snowplow manufacturer for this infor
-
mation. There are unique electrical systems that
m
ust be connected to properly ensure operator
safety and prevent overloading vehicle systems.
WARNING!
Attaching a snowplow to this vehicle could
adversely affect performance of the airbag
system in a collision. Do not expect that the
airbag will perform as described earlier in this
manual.
CAUTION!
The “Lamp Out” indicator could illuminate if
exterior lamps are not properly installed.
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