2015 Ram 1500 engine

•If the vehicle is idled for an extended period of time,
approximately one hour or greater.
• If the system detects that the level of fuel in the tank
has increased.
• 5 MPH Max Speed Service DEF System See Dealer —
This message will continuously display, and will be
accompanied by a periodic chime. Although the ve-
hicle can be started and placed in gear, the vehicle will
only operate at a maximum speed of 5 MPH. Your
vehicle will require towing, see your authorized dealer
for service.
• Engine Will Not Restart Service DEF System See
Dealer — This message will display if DEF system
issue detected is not serviced during the allowed
period. Your engine will not restart unless your vehicle
is serviced by your authorized dealer. This message
will be displayed when under 1 mile until engine will
not start and each time the vehicle is started, and will be continuously displayed. The message will be ac-
companied by a single chime. Your Malfunction Indi-
cator Light will be continuously illumined. We highly
recommend you drive to your nearest authorized
dealer if the message appears while engine is running.
NOTE: When this message is displayed, the engine can
still be started. However, the vehicle will only operate at
a maximum speed of 5 MPH.
DID Displays
When the appropriate conditions exist, the DID displays
the following messages:
• System Setup Unavailable – Vehicle Not in Park
• System Setup Unavailable – Vehicle in Motion
• Exhaust Filter Full Safely Drive at Highway Speeds To
Remedy
• Exhaust Filter XX% Full – Power Reduced See Dealer
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UNDERSTANDING YOUR INSTRUMENT PANEL 67

•Exhaust Service Required – See Dealer Now
• Exhaust System – Filter XX% Full Service Required See
Dealer
• Exhaust System – Regeneration In Process Exhaust
Filter XX% Full
• Exhaust System – Regeneration Completed
• Engine Will Not Restart in XXXX mi DEF Low Refill
Soon
• Engine Will Not Restart in XXXX mi Refill DEF
• Engine Will Not Restart Refill DEF
• Service DEF System See Dealer
• Incorrect DEF Detected See Dealer
• Engine Will Not Restart in XXX mi Service DEF See
Dealer •
Engine Will Not Restart Service DEF System See
Dealer
Oil Life Reset
Your vehicle is equipped with an engine oil change
indicator system. The “Oil Change Required” message
will flash in the DID display for approximately 10
seconds after a single chime has sounded, to indicate the
next scheduled oil change interval. The engine oil change
indicator system is duty cycle based, which means the
engine oil change interval may fluctuate, dependent
upon your personal driving style.
NOTE: Use the steering wheel DID controls for the
following procedure(s)
Vehicles Equipped With Passive Entry
1. Without Pushing the brake pedal, push the ENGINE START/STOP button and cycle the ignition to the
ON/RUN position (do not start the engine.)
68 UNDERSTANDING YOUR INSTRUMENT PANEL

2. Push and release theDOWNarrow button to scroll
downward through the main menu to “Vehicle Info”.
3. Push and release the RIGHTarrow button to access
the ”Oil Life” screen.
4. Push and hold the RIGHTarrow button for one
second to access the ”Oil Life Reset” screen.
5. Push and release the DOWNarrow button to select
“Yes”, then push and release the Rightarrow button to
select reset of the Oil Life.
6. Push and release the Uparrow button to exit the DID
screen.
Vehicles Not Equipped With Passive Entry
1. Without pushing the brake pedal, cycle the ignition to the ON/RUN position (do not start the engine.)
2. Push and release the DOWNarrow button to scroll
downward through the main menu to “ Vehicle Info”.3. Push and release the
RIGHTarrow button to access
the ” Oil Life” screen.
4. Push and hold the RIGHTarrow button for one
second to access the ” Oil Life Reset” screen.
5. Push and release the DOWNarrow button to select
“Yes”, then push and release the Rightarrow button to
select reset of the Oil Life.
6. Push and release the Uparrow button to exit the DID
screen.
NOTE: If the indicator message illuminates when you
start the vehicle, the oil change indicator system did not
reset. If necessary, repeat this procedure.
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UNDERSTANDING YOUR INSTRUMENT PANEL 69

Vehicle Information (Customer Information
Features)
Vehicle Information Submenus
•Battery Voltage
Displays the actual battery voltage.
• Fuel Filter Life
Displays the life of the fuel filter.
• Oil Pressure
Displays the actual oil pressure.
• Oil Temperature
Displays the actual oil temperature.
• Trans Temperature
Displays the actual transmission sump temperature. •
Coolant Temp
Displays the actual coolant temperature.
• Tire Pressure Monitor System
Displays the actual tire pressure.
• Engine Hours
Displays the actual engine hours.
Gauge Summary (Coolant Temp, Trans Temp, Oil Temp,
Oil Pressure)
70 UNDERSTANDING YOUR INSTRUMENT PANEL

STARTING AND OPERATING
CONTENTS
STARTING PROCEDURES .................75
▫ Normal Starting .......................76
▫ Automatic Transmission .................76
▫ Keyless Enter-N-Go™ ...................77
▫ Extreme Cold Weather ...................78
▫ Starting Fluids ........................79
 NORMAL OPERATION ...................80
▫ Cold Weather Precautions ................80
▫ Engine Idling .........................82
▫ Stopping The Engine ....................82 ▫
Cooling System Tips — Automatic
Transmission ..........................83
 ENGINE BLOCK HEATER — IF EQUIPPED ....84
 FUEL REQUIREMENTS ...................85
▫ Fuel Specifications .....................86
▫ Biodiesel Fuel Requirements ...............87
 DIESEL EXHAUST FLUID .................90
▫ System Overview ......................90
 ADDING FUEL — 1500 DIESEL MODELS ......91
▫ Avoid Using Contaminated Fuel ............94
4

STARTING PROCEDURES
Before starting your vehicle, adjust your seat, both inside
and outside mirrors, and fasten your seat belts.
The starter is allowed to crank for up to 30-second
intervals. Waiting a few minutes between such intervals
will protect the starter from overheating.
WARNING!
•When leaving the vehicle, always make sure the
ignition is in the OFF position, remove the Key Fob
from the vehicle, and lock the vehicle.
(Continued)
WARNING! (Continued)
•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 shift
lever/transmission gear selector.
• 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.
NOTE: Engine start up in very low ambient temperature
could result in evident white smoke. This condition will
disappear as the engine warms up.
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STARTING AND OPERATING 75

CAUTION!
•The engine is allowed to crank as long as 30
seconds. If the engine fails to start during this
period, please wait at least two minutes for the
starter to cool before repeating start procedure.
• If the “Water in Fuel Indicator Light” remains on,
DO NOT START engine before you drain the water
from the fuel filters to avoid engine damage. Refer
to “Maintenance Procedures/Draining Fuel/Water
Separator Filter” in “Maintaining Your Vehicle” for
further information.
Normal Starting
Normal starting of either a warm or cold engine is
obtained without pumping or pressing the accelerator
pedal. Turn the key fob to the START position and release when the engine starts. If the engine fails to start, turn the
key fob to the OFF position, wait five seconds, then
repeat the “Normal Starting” procedure.
Automatic Transmission
Start the engine with the transmission gear selector in the
PARK position. Apply the brake before shifting to any
driving range.
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.
76 STARTING AND OPERATING

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 Procedure — Keyless
Enter-N-Go™
Observe the instrument panel cluster lights when starting
the engine.
NOTE:Normal starting of either a cold or a warm
engine is obtained without pumping or pressing the
accelerator pedal
1. Always apply the parking brake. 2. Press and hold the brake pedal while pressing the
ENGINE START/STOP button once.
NOTE: A delay of the start of up to five seconds is
possible under very cold conditions. The Wait to Start
telltale will be illuminated during the pre-heat process,
When the engine Wait To Start light goes off the engine
will automatically crank.
CAUTION!
If the “Water in Fuel Indicator Light” remains on, DO
NOT START the engine before you drain the water
from the fuel filters to avoid engine damage. Refer to
“Maintenance Procedures/Draining Fuel/Water Sepa-
rator Filter” in “Maintaining Your Vehicle” for fur-
ther information.
4
STARTING AND OPERATING 77