2016 Ram 3500 Chassis Cab engine

OAT coolant (conforming to MS.90032) is recommended.
Refer to “Maintenance Procedures” in “Maintaining Your
Vehicle” for proper coolant selection.
Winter Operation
To ensure the best possible heater and defroster perfor-
mance, make sure the engine cooling system is function-
ing properly and the proper amount, type, and concen-
tration of coolant is used. Refer to “Maintenance
Procedures” in “Maintaining Your Vehicle” for proper
coolant selection. Use of the air Recirculation mode
during Winter months is not recommended because it
may cause window fogging.
Vacation/Storage
Any time you store your vehicle or keep it out of service
(i.e., vacation) for two weeks or more, run the air
conditioning system at idle for about five minutes in
fresh air with the blower setting in high. This will ensureadequate system lubrication to minimize the possibility
of compressor damage when the system is started again.
Window Fogging and Frosting
Vehicle windows tend to fog on the inside of the glass in
mild, rainy and/or humid weather. Windows may frost
on the inside of the glass in very cold weather. To clear
the windows, select Defrost or Mix mode and increase
the front blower speed. Do not use the Recirculation
mode without A/C for long periods, as fogging may
occur.
NOTE:
Automatic Temperature Controls (ATC) will au-
tomatically adjust the climate control settings to reduce
or eliminate window fogging on the front windshield.
When this occurs, recirculation will be unavailable.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 365

STARTING AND OPERATING
CONTENTS
STARTING PROCEDURES ................398
▫ Normal Starting ...................... .398
▫ Automatic Transmission ................399
▫ Extreme Cold Weather
(Below –20°F or 29°C) .................399
▫ If Engine Fails To Start .................399
▫ After Starting ....................... .400
 ENGINE BLOCK HEATER — IF EQUIPPED . . . .401
 AUTOMATIC TRANSMISSION ............401
▫ Key Ignition Park Interlock ...............403 ▫
Brake/Transmission Shift Interlock System . . .404
▫ Six–Speed Automatic Transmission —
If Equipped ........................ .404
 POWER TAKE OFF OPERATION — IF EQUIPPED
(CHASSIS CAB ONLY) ..................416
▫ Stationary Mode ..................... .416
▫ Mobile Mode ........................ .418
 FOUR-WHEEL DRIVE OPERATION — IF
EQUIPPED .......................... .419
▫ Manually Shifted Transfer Case —
If Equipped ......................... .419
5

▫Dual Rear Wheels .....................483
 TIRE PRESSURE MONITOR SYSTEM (TPMS) . .484
▫ Base System — If Equipped ..............487
▫ Premium System ..................... .488
▫ Tire Pressure Information System (TPIS) Chassis
Cab — If Equipped ....................492
▫ General Information ....................493
 FUEL REQUIREMENTS ..................494
▫ 6.4L Engine ......................... .494
▫ Reformulated Gasoline .................494
▫ Gasoline/Oxygenate Blends ..............495
▫ E-85 Usage In Non-Flex Fuel Vehicles .......495
▫ MMT In Gasoline .....................496 ▫
Materials Added To Fuel ................496
▫ Fuel System Cautions ...................497
▫ Carbon Monoxide Warnings .............498
 ADDING FUEL ....................... .498
▫ Loose Fuel Filler Cap Message ............499
 VEHICLE LOADING ....................500
▫ Certification Label ....................500
 TRAILER TOWING .....................502
▫ Common Towing Definitions .............502
▫ Trailer Hitch Classification ...............507
▫ Trailer Towing Weights
(Maximum Trailer Weight Ratings) .........508
▫ Trailer And Tongue Weight ..............508
396 STARTING AND OPERATING

STARTING PROCEDURES
Before starting your vehicle, adjust your seat, adjust both
inside and outside mirrors, and fasten your seat belt.
The starter should not be operated for more than 10-
second intervals. Waiting a few seconds between such
intervals will protect the starter from overheating.
WARNING!
•Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Leaving children in
a vehicle unattended is dangerous for a number of
reasons. A child or others could be seriously or
fatally injured. Children should be warned not to
touch the parking brake, brake pedal or the gear
selector.
(Continued)
WARNING! (Continued)
•Do not leave the Key Fob in or near the vehicle, or
in a location accessible to children, and do not
leave the ignition of a vehicle equipped with
Keyless Enter-N-Go in the ACC or ON/RUN mode.
A child could operate power windows, other con-
trols, or move the vehicle.
Normal Starting
Normal starting of either a warm or cold engine is
obtained without pumping or pressing the accelerator
pedal. Cycle the ignition to the START position and
release when the engine starts. If the engine fails to start
within 10 seconds, cycle the ignition to the OFF position,
wait five seconds, then repeat the “Normal Starting”
procedure.
398 STARTING AND OPERATING

Automatic Transmission
Start the engine with the shift lever in the NEUTRAL or
PARK. Apply the brake before shifting into any driving
range.
NOTE: This vehicle is equipped with a transmission
shift interlocking system. The brake pedal must be
pressed to shift out of PARK.
Tip Start Feature
Do notpress the accelerator. Cycle the ignition switch
briefly to the START position and release it. The starter
motor will continue to run but will automatically disen-
gage when the engine is running.
Extreme Cold Weather (Below –20°F or 29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (avail-
able from your authorized dealer) is recommended.
If Engine Fails To Start
If the engine fails to start after you have followed the
“Normal Starting” procedure, it may be flooded. Push
the accelerator pedal all the way to the floor and hold it
there while the engine is cranking. This should clear any
excess fuel in case the engine is flooded.
The starter motor will engage automatically, run for 10
seconds, and then disengage. Once this occurs, release
the accelerator pedal and the brake pedal, wait 10 to 15
seconds, then repeat the “Normal Starting” procedure.
CAUTION!
To prevent damage to the starter, do not crank the
engine for more than 10 seconds at a time. Wait 10 to
15 seconds before trying again.
5
STARTING AND OPERATING 399

WARNING!
•Never pour fuel or other flammable liquids into
the throttle body air inlet opening in an attempt to
start the vehicle. This could result in a flash fire
causing serious personal injury.
• Do not attempt to push or tow your vehicle to get it
started. Vehicles equipped with an automatic trans-
mission cannot be started this way. Unburned fuel
could enter the catalytic converter and once the
engine has started, ignite and damage the converter
and vehicle.
• If the vehicle has a discharged battery, booster
cables may be used to obtain a start from a booster
battery or the battery in another vehicle. This type
of start can be dangerous if done improperly. Refer
to “Jump-Starting” in “What To Do In Emergen-
cies” for further information. If the engine has been flooded, it may start to run, but not
have enough power to continue running when the igni-
tion button/key is released. If this occurs, continue
cranking with the accelerator pedal pushed all the way to
the floor. Release the accelerator pedal and the ignition
button/key once the engine is running smoothly.
If the engine shows no sign of starting after a 10 second
period of engine cranking with the accelerator pedal held
to the floor, wait 10 to 15 seconds, then repeat the
“Normal Starting” procedure.
After Starting
The idle speed is automatically controlled and will de-
crease as the engine warms up.
400 STARTING AND OPERATING

ENGINE BLOCK HEATER — IF EQUIPPED
The engine block heater warms the engine, and permits
quicker starts in cold weather. Connect the cord to a
standard 110-115 Volt AC electrical outlet with a
grounded, three-wire extension cord.
Gasoline Engine Only
The engine block heater cord is routed through the grille
by the right front tow hook.
It includes a removable cap that is secured by a tethered
strap. It also has a c-clip that is used for storage when not
in use for the Winter months. During Winter months,
remove the heater cord wiring assembly from itself on
the c-clip.
The engine block heater must be plugged in at least one
hour to have an adequate warming effect on the engine.
WARNING!
Remember to disconnect the engine block heater
cord before driving. Damage to the 110-115 Volt
electrical cord could cause electrocution.
AUTOMATIC TRANSMISSION
CAUTION!
Damage to the transmission may occur if the follow-
ing precautions are not observed:
•Shift into or out of PARK or REVERSE only after
the vehicle has come to a complete stop.
• Do not shift between PARK, REVERSE, NEU-
TRAL, or DRIVE when the engine is above idle
speed.
• Before shifting into any gear, make sure your foot
is firmly pressing the brake pedal.
5
STARTING AND OPERATING 401

NOTE:You must press and hold the brake pedal while
shifting out of PARK.
WARNING!
• It is dangerous to shift out of PARK or NEUTRAL
if the engine speed is higher than idle speed. If
your foot is not firmly pressing the brake pedal, the
vehicle could accelerate quickly forward or in re-
verse. You could lose control of the vehicle and hit
someone or something. Only shift into gear when
the engine is idling normally and your foot is
firmly pressing the brake pedal.
• Unintended movement of a vehicle could injure
those in or near the vehicle. As with all vehicles,
you should never exit a vehicle while the engine is
running. When the ignition is in the LOCK/OFF
(key removal) position, the transmission is locked
(Continued)
WARNING! (Continued)
in PARK, securing the vehicle against unwanted
movement.
• Before exiting a vehicle, always apply the parking
brake, shift the automatic transmission into PARK
or the manual transmission into REVERSE, turn
the vehicle OFF, remove the key fob from the
ignition and lock your vehicle. If equipped with
Keyless Enter-N-Go, always make sure the keyless
ignition node is in “OFF” mode, remove the Key
Fob from the vehicle and lock the vehicle.
• When leaving the vehicle, always remove the key
fob from the ignition and lock your vehicle. If
equipped with Keyless Enter-N-Go, always make
sure the keyless ignition node is in “OFF” mode,
remove the Key Fob from the vehicle and lock the
vehicle.
(Continued)
402 STARTING AND OPERATING