2015 Ram 3500 automatic transmission

WARNING!
If you continue operating the vehicle when the
Transmission Temperature Warning Light is illumi-
nated you could cause the fluid to boil over, come in
contact with hot engine or exhaust components and
cause a fire.
• Air Suspension Payload Protection Telltale — If
Equipped
This telltale will turn on to indicate that the
maximum payload may have been exceeded or
load leveling cannot be achieved at its current
ride height.
Protection Mode will automatically be selected in order
to “protect” the air suspension system, air suspension
adjustment is limited due to payload. •
Service Stop/Start System Telltale — If Equipped
This telltale will turn on to indicate that the
Stop/Start is Unavailable, service Stop/Start
system.
• Loose Fuel Filler Cap
This telltale will turn on to indicate that the fuel
filler cap may be loose.
DID White Telltales
•Electronic Speed Control Ready
This light will turn on when the electronic
speed control is ON. Refer to “Electronic Speed
Control” in “Understanding The Features Of
Your Vehicle” for further information.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 339

A vehicle ICON is displayed with tire pressure values in
each corner of the ICON.
•Tire Pressure:
– Tire Pressure Information System (3500 Series Heavy Duty Ram Trucks)
– A vehicle ICON is displayed with the tire pressure values in each corner of the ICON.
– If the Tire Pressure system requires service, “Service Tire Pressure System” is displayed.
– Tire Pressure is an information only function and cannot be reset.
– Refer to the Tire Pressure Information System
(TPIS)” under Starting and Operating for further
information.
• Transmission Temperature – Automatic Transmission
Only
• Oil Temperature •
Oil Life
• Battery Voltage — If Equipped
• Gauge Summary:
– Coolant Temperature
– Transmission Temperature (automatic only)
– Oil Temperature
– Oil Pressure
• Engine Hours
Fuel Economy
Push and release the UPorDOWN arrow
button until the Fuel Economy Menu icon/title
is highlighted. Push and hold the OK button to
reset feature.
• Range
• Current MPG or L/100 km
4
UNDERSTANDING YOUR INSTRUMENT PANEL 341

to the previous menu. Refer to “Lights/ Automatic High
Beam — If Equipped” in “Understanding The Features
Of Your Vehicle” for further information.
•Flash Lights With Lock
When this feature is selected, the exterior lamps will flash
when the doors are locked or unlocked with the Remote
Keyless Entry (RKE) transmitter. This feature may be
selected with or without the sound horn on lock feature
selected. To make your selection, press the “Flash Lights
with Lock” button on the touchscreen, until a check-mark
appears next to setting, showing that setting has been
selected. Press the back arrow button on the touchscreen
to return to the previous menu.
Doors & Locks
After pressing the “Doors & Locks” button on the touch-
screen the following settings will be available: •
Auto Door Locks
When this feature is selected, all doors will lock auto-
matically when the vehicle reaches a speed of 15 mph
(24 km/h). To make your selection, press the “Auto Door
Lock” button on the touchscreen until a check-mark
appears next to setting, showing that setting has been
selected. Press the back arrow button on the touchscreen
to return to the previous menu.
• Auto Unlock On Exit
When this feature is selected, all doors will unlock when
the vehicle is stopped and the transmission is in the
PARK or NEUTRAL position and the driver’s door is
opened. To make your selection, press the “Auto Unlock
On Exit” button on the touchscreen until a check-mark
appears next to setting, showing that setting has been
selected. Press the back arrow button on the touchscreen
to return to the previous menu.
380 UNDERSTANDING YOUR INSTRUMENT PANEL

STARTING AND OPERATING
CONTENTS
STARTING PROCEDURES ................442
▫ Normal Starting ...................... .442
▫ Automatic Transmission ................443
▫ Keyless Enter-N-Go™ ..................443
▫ Normal Starting ...................... .443
▫ Extreme Cold Weather
(Below –20°F Or 29°C) ................445
▫ If Engine Fails To Start .................445
▫ After Starting ....................... .447
 STOP/START SYSTEM — IF EQUIPPED ......447▫
Automatic Mode ..................... .447
▫ Possible Reasons The Engine Does Not
Autostop .......................... .448
▫ To Start The Engine While In Autostop Mode . .449
▫ To Manually Turn Off The Stop Start System . .450
▫ To Manually Turn On The Stop Start System . .451
▫ System Malfunction ....................451
 ENGINE BLOCK HEATER — IF EQUIPPED . . .451
 AUTOMATIC TRANSMISSION ............452
▫ Key Ignition Park Interlock ...............454
5

▫Brake/Transmission Shift Interlock System . . .454
▫ Eight-Speed Automatic Transmission — If
Equipped .......................... .455
▫ Six-Speed Automatic Transmission — 1500 Models
Only (If Equipped) ....................464
▫ Six-Speed Automatic Transmission — 2500/3500
Models Only ....................... .476
 FOUR-WHEEL DRIVE OPERATION — IF
EQUIPPED .......................... .487
▫ Manually Shifted Transfer Case —
If Equipped ......................... .487
▫ Electronically Shifted Transfer Case
(Four-Position Switch) — If Equipped .......491
▫ Electronically Shifted Transfer Case
(Five-Position Switch) — If Equipped .......498▫
Electronically Shifted Transfer Case
(Five-Position Switch) — If Equipped .......503
 AIR SUSPENSION SYSTEM (1500 MODELS) — IF
EQUIPPED .......................... .510
▫ Description ......................... .510
▫ Air Suspension Modes ..................514
▫ Electronic Vehicle Information Center
(EVIC)/Driver Information Display (DID) Display
Messages .......................... .516
▫ Operation .......................... .516
 AIR SUSPENSION SYSTEM (2500/3500 MODELS)
— IF EQUIPPED ...................... .518
▫ Description ......................... .518
▫ Air Suspension Modes ..................519
436 STARTING AND OPERATING

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
interlocking 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™
This feature allows the driver to oper-
ate 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
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.
5
STARTING AND OPERATING 443

4. If you wish to stop the cranking of the engine prior tothe engine starting, push the button again.
NOTE: Normal starting of either a cold or a warm engine
is obtained without pumping or pressing the accelerator
pedal.
To Turn Off The Engine Using ENGINE
START/STOP Button
1. Place the shift lever/gear selector in PARK, then push and release the ENGINE START/STOP button.
2. The ignition switch will return to the OFF position.
3. If the shift lever/gear selector is not in PARK, the ENGINE START/STOP button must be held for two
seconds or three short pushes in a row with the vehicle
speed above 5 mph (8 km/h) before the engine will shut off. The ignition switch position will remain in
the ACC position until the shift lever/gear selector is
in PARK and the button is pushed twice to the OFF
position. If the shift lever/gear selector is not in PARK
and the ENGINE START/STOP button is pushed
once, the EVIC/DID will display a “Vehicle Not In
Park” message and the engine will remain running.
Never leave a vehicle out of the PARK position, or it
could roll.
NOTE: If the ignition switch is left in the ACC or RUN
(engine not running) position and the transmission is in
PARK, the system will automatically time out after 30
minutes of inactivity and the ignition will switch to the
OFF position.
444 STARTING AND OPERATING

After Starting
The idle speed is controlled automatically and it will
decrease as the engine warms up.
STOP/START SYSTEM — IF EQUIPPED
The Stop/Start function is developed to save fuel and
reduce emissions. The system will stop the engine auto-
matically during a vehicle stop if the required conditions
are met. Releasing the brake pedal will automatically
re-start the vehicle.
Automatic Mode
The Stop/Start feature is enabled after every normal
customer engine start. It will remain in STOP/START
NOT READY until you drive forward with a vehicle
speed greater than 5 mph (8 km/h). At that time, the
system will go into STOP/START READY and if all other
conditions are met, can go into an STOP/START AUTO
STOP ACTIVE “Autostop” mode.To Activate The Autostop Mode, The Following Must
Occur:
1. The system must be in STOP/START READY state. A
STOP/START READY message will be displayed in
the Electronic Vehicle Information Center (EVIC)/
Driver Information Display (DID) within the Stop/
Start section. Refer to “Electronic Vehicle Information
Center (EVIC) or Driver Information Display (DID)”
in “Understanding Your Instrument Panel” for further
information.
2. The vehicle must be completely stopped.
3. The transmission Gear Selector must be in DRIVE and the brake pedal depressed.
The engine will shut down, the tachometer will move to
the zero position and the stop/start telltale will illumi-
nate indicating you are in an Autostop. While in an
5
STARTING AND OPERATING 447