2017 Ram 2500 engine

disabled automatically if this mode is selected. Attempting
to use Recirculation while in this mode will cause the LED
in the control button to blink and then turn off.
Automatic Temperature Control (ATC) —
If Equipped
Automatic Operation
1. Push the AUTO button on the faceplate, or the AUTObutton on the touchscreen on the Automatic Tempera-
ture Control (ATC) Panel.
2. Next, adjust the temperature you would like the system to maintain by adjusting the driver and passenger
temperature control buttons. Once the desired tempera-
ture is displayed, the system will achieve and automati-
cally maintain that comfort level.
3. When the system is set up for your comfort level, it is not necessary to change the settings. You will experience
the greatest efficiency by simply allowing the system to
function automatically. NOTE:
•
It is not necessary to move the temperature settings for
cold or hot vehicles. The system automatically adjusts
the temperature, mode, and blower speed to provide
comfort as quickly as possible.
• The temperature can be displayed in U.S. or Metric units
by selecting the US/Metric customer-programmable fea-
ture.
To provide you with maximum comfort in the Automatic
mode during cold start-ups, the blower fan will remain on
low until the engine warms up. The blower will increase in
speed and transition into Auto mode.
Manual Operation Override
This system offers a full complement of manual override
features. The AUTO symbol in the front ATC display will
be turned off when the system is being used in the manual
mode.
NOTE: The system will not automatically sense the pres-
ence of fog, mist or ice on the windshield. DEFROST mode
must be manually selected to clear the windshield and side
glass.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 345

Operating Tips
NOTE:Refer to the chart at the end of this section for
suggested control settings for various weather conditions.
Summer Operation
The engine cooling system must be protected with a
high-quality antifreeze coolant to provide proper corrosion
protection and to protect against engine overheating. OAT
coolant (conforming to MS.90032) is recommended. Refer
to “Maintenance Procedures” in “Maintaining Your Ve-
hicle” for proper coolant selection.
Winter Operation
To ensure the best possible heater and defroster perfor-
mance, make sure the engine cooling system is functioning
properly and the proper amount, type, and concentration
of coolant is used. Refer to “Maintenance Procedure” 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 condi-
tioning system at idle for about five minutes in fresh air
with the blower setting in high. This will ensure adequate
system lubrication to minimize the possibility of compres-
sor damage when the system is started again.
Window Fogging
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 auto-
matically adjust the climate control settings to reduce or
eliminate window fogging on the front windshield. When
this occurs, recirculation will be unavailable.
346 UNDERSTANDING YOUR INSTRUMENT PANEL

STARTING AND OPERATING
CONTENTS
STARTING PROCEDURES .................381
▫ Normal Starting ....................... .381
▫ Automatic Transmission ..................382
▫ Keyless Enter-N-Go — Ignition .............382
▫ Normal Starting ....................... .382
▫ Extreme Cold Weather
(Below –22°F Or 30°C) ..................384
▫ If Engine Fails To Start ..................384
▫ After Starting ......................... .385
 ENGINE BLOCK HEATER — IF EQUIPPED . . . .385
 AUTOMATIC TRANSMISSION ..............386
▫ Key Ignition Park Interlock ................387
▫ Brake/Transmission Shift Interlock System . . . .387 ▫
Eight-Speed Automatic Transmission —
If Equipped ......................... .388
▫ Six-Speed Automatic Transmission —
1500 Models Only (If Equipped) ............395
▫ Six-Speed Automatic Transmission —
2500/3500 Models Only ..................405
 FOUR-WHEEL DRIVE OPERATION —
IF EQUIPPED ......................... .414
▫ Manually Shifted Transfer Case —
If Equipped .......................... .414
▫ Electronically Shifted Transfer Case
(Four-Position Switch) — If Equipped ........417
▫ Electronically Shifted Transfer Case
(Five-Position Switch) — If Equipped ........422
▫ Four-Position Electronically Shifted Transfer
Case (Eight Speed Transmission Only) —
If Equipped ......................... .427
5

DRIVING ON SLIPPERY SURFACES ..........471
▫ Acceleration .......................... .471
▫ Traction ............................. .471
 DRIVING THROUGH WATER ..............472
▫ Flowing/Rising Water ...................472
▫ Shallow Standing Water ..................472
 OFF-ROAD DRIVING TIPS .................473
▫ After Driving Off-Road ...................474
 WINCH USAGE — POWER WAGON ONLY
(IF EQUIPPED) ........................ .474
▫ Things To Know Before Using Your Winch .....474
▫ Understanding The Features Of Your Winch . . . .476
▫ Winch Accessories ..................... .478
▫ Operating Your Winch ...................479
▫ Rigging Techniques .....................489
 POWER STEERING ...................... .490
▫ Electric Power Steering — 1500 Models .......490▫
Hydraulic Power Steering —
2500/3500 Models ..................... .491
 FUEL SAVER TECHNOLOGY 5.7L/6.4L ENGINES
ONLY — IF EQUIPPED ....................492
 PARKING BRAKE ...................... .492
 BRAKE SYSTEM ....................... .494
▫ Hydraulic Brake Assist — 2500/3500 Models Only
(Except Power Wagon) ...................494
 ELECTRONIC BRAKE CONTROL SYSTEM .....495
▫ Electronic Brake Force Distribution (EBD) ......495
▫ Brake System Warning Light ...............495
▫ Anti-Lock Brake System (ABS) .............495
▫ Anti-Lock

Brake Warning Light .............497
▫ Brake Assist System (BAS) ................497
▫ Hill Start Assist (HSA) ...................498
▫ Traction Control System (TCS) .............500
▫ Electronic Stability Control (ESC) ...........500
▫ Electronic Roll Mitigation (ERM) ...........504
5
STARTING AND OPERATING 377

▫Trailer Sway Control (TSC) — If Equipped . . . .504
▫ Hill Descent Control (HDC) — If Equipped . . . .505
 TIRE SAFETY INFORMATION ..............508
▫ Tire Markings ........................ .508
▫ Tire Identification Number (TIN) ............511
▫ Tire Terminology And Definitions ...........512
▫ Tire Loading And Tire Pressure ............513
 TIRES — GENERAL INFORMATION .........518
▫ Tire Pressure ......................... .518
▫ Tire Inflation Pressures ..................519
▫ Tire Pressures For High Speed Operation .....520
▫ Radial Ply Tires ....................... .520
▫ Tire Types ........................... .521
▫ Run Flat Tires — If Equipped ..............522
▫ Spare Tires — If Equipped ................523
▫ Tire Spinning ........................ .525
▫ Tread Wear Indicators ...................526 ▫
Life Of Tire .......................... .526
▫ Replacement Tires ..................... .527
 TIRE CHAINS (TRACTION DEVICES) .........528
 TIRE ROTATION RECOMMENDATIONS ......530
▫ Directional Tires — If Equipped .............531
▫ Dual Rear Wheels — If Equipped ...........532
 DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES ..........533
▫ Treadwear ........................... .533
▫ Traction Grades ....................... .534
▫ T

emperature Grades .....................534
 TIRE PRESSURE MONITOR SYSTEM (TPMS) . . .535
▫ Premium System ...................... .536
▫ Tire Pressure Information System (TPIS)
3500 Series Trucks ..................... .539
▫ General Information ....................540
 FUEL REQUIREMENTS ...................541
▫ 3.6L Engine .......................... .541
378 STARTING AND OPERATING

▫5.7L Engine .......................... .541
▫ 6.4L Engine .......................... .542
▫ Reformulated Gasoline ..................542
▫ Gasoline/Oxygenate Blends ...............542
▫ E-85 Usage In Non-Flex Fuel Vehicles .........543
▫ CNG And LP Fuel System Modifications ......543
▫ MMT In Gasoline ...................... .543
▫ Materials Added To Fuel .................544
▫ Fuel System Cautions ....................544
▫ Carbon Monoxide Warnings ...............545
 FLEXIBLE FUEL (3.6L ENGINE ONLY) —
IF EQUIPPED ......................... .545
▫ E-85 General Information .................545
▫ Ethanol Fuel (E-85) ..................... .546
▫ Fuel Requirements .....................546
▫ Selection Of Engine Oil For Flexible Fuel
Vehicles (E-85) And Gasoline Vehicles ........546▫
Starting ............................ .547
▫ Cruising Range ....................... .547
▫ Replacement Parts ..................... .547
▫ Maintenance ......................... .547
 ADDING FUEL ........................ .548
▫ Loose Fuel Filler Cap Message .............549
 VEHICLE LOADING .....................549
▫ Certification Label ..................... .549
 TRAILER TOWING ..................... .551
▫ Common Towing Definitions ...............551
▫ T

railer Hitch Type and Maximum
Trailer Weight ........................ .558
▫ Trailer Towing Weights (Maximum
Trailer Weight Ratings) ..................559
▫ Trailer And Tongue Weight ...............559
▫ Towing Requirements ...................559
▫ Towing Tips .......................... .567
5
STARTING AND OPERATING 379

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!
•When leaving the vehicle, always make sure the
keyless ignition node is in the OFFmode, remove
the key fob from the vehicle and lock the vehicle.
• Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Allowing children to
be 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 controls, or move the
vehicle.
• Do not leave children or animals inside parked
vehicles in hot weather. Interior heat build-up may
cause serious injury or death.
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.
5
STARTING AND OPERATING 381

Automatic Transmission
Start the engine with the transmission in PARK position.
Apply the brake before shifting into any driving range.
NOTE:
•This vehicle is equipped with a transmission shift inter-
locking system. The brake pedal must be pressed to shift
out of PARK.
• If equipped with an 8 speed transmission starting the
vehicle in NEUTRAL is not possible unless the Manual
Park Release has been activated. For the Manual Park
Release operation refer to Manual Park Release in “What
To Do In Emergencies”.
Tip Start Feature
Do not press 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.
Keyless Enter-N-Go — Ignition
This feature allows the driver to operate
the ignition switch with the push of a
button, as long as the Remote Start/
Keyless Enter-N-Go key fob is in the
passenger compartment.
Normal Starting
To Turn On The Engine Using The ENGINE
START/STOP Button
1. The transmission must be in PARK or NEUTRAL.
2. Press and hold the brake pedal while pushing the ENGINE START/STOP button once.
3. The system takes over and attempts to start the vehicle. If the vehicle fails to start, the starter will disengage
automatically after 10 seconds.
4. If you wish to stop the cranking of the engine prior to the engine starting, push the button again.
382 STARTING AND OPERATING