2018 Ram 2500 service

allowed to exceed the upper limits of the normal
operating range.
WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. You may want to call an authorized dealer for
service if your vehicle overheats. If you decide to look
under the hood yourself, see “Servicing And Mainte-
nance.” Follow the warnings under the Cooling System
Pressure Cap paragraph.
CAUTION!
Driving with a hot engine cooling system could dam-
age your vehicle. If the temperature gauge reads “H,”
pull over and stop the vehicle. Idle the vehicle with the
air conditioner turned off until the pointer drops back
into the normal range. If the pointer remains on the
“H,” turn the engine off immediately and call an
authorized dealer for service.
INSTRUMENT CLUSTER DISPLAY
Your vehicle may be equipped with an instrument cluster
display, which offers useful information to the driver. With
the ignition in the STOP/OFF mode, opening/closing of a
door will activate the display for viewing, and display the
total miles, or kilometers, in the odometer. Your instrument
cluster display is designed to display important informa-
tion about your vehicle’s systems and features. Using a
driver interactive display located on the instrument panel,
your instrument cluster display can show you how sys-
tems are working and give you warnings when they are
not. The steering wheel mounted controls allow you to
scroll through the main menus and submenus. You can
access the specific information you want and make selec-
tions and adjustments.
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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
“Vehicle Info” screen then scroll up or down to select
“Oil Life.”
4. Push and hold the rightarrow button to select “YES” by
pushing the rightarrow then push and release the right
arrow button to select reset of the Oil Life to 100%.
5. Push and release the uparrow button to exit the
instrument cluster display screen.
NOTE: If the indicator message illuminates when you start
the vehicle, the Oil Life indicator system did not reset. If
necessary, repeat this procedure.
Display Messages
• Front Seatbelts Unbuckled
• Driver Seatbelt Unbuckled
• Passenger Seatbelt Unbuckled
• Service Airbag System
• Traction Control Off
• Washer Fluid Low •
Oil Pressure Low
• Oil Change Due
• Fuel Low
• Service Antilock Brake System
• Service Electronic Throttle Control
• Service Power Steering
• Cruise Off
• Cruise Ready
• Cruise Set To XXX MPH
• Tire Pressure Screen With Low Tire(S) “Inflate Tire To
XX”
• Tire Pressure Information System (TPIS)
• Service Tire Pressure System
• Parking Brake Engaged
• Brake Fluid Low
• Service Electronic Braking System
• Engine Temperature Hot
• Battery Voltage Low
178 GETTING TO KNOW YOUR INSTRUMENT PANEL

•Service Electronic Throttle Control
• Lights On
• Right Turn Signal Light Out
• Left Turn Signal Light Out
• Turn Signal On
• Sound Horn With Remote Lock: Off; 1st Press; 2nd Press
• Vehicle Not In Park
• Key In Ignition
• Key In Ignition Lights On
• Remote Start Active Key To Run
• Remote Start Active Push Start Button
• Remote Start Aborted Fuel Low
• Remote Start Aborted Too Cold
• Remote Start Aborted Door Open
• Remote Start Aborted Hood Open
• Remote Start Aborted Trunk Open
• Remote Start Aborted Time Expired
• Remote Start Disabled Start To Reset •
Service Airbag System
• Service Airbag Warning Light
• Driver Seatbelt Unbuckled
• Passenger Seatbelt Unbuckled
• Front Seatbelts Unbuckled
• Door Open
• Doors Open
• Gear Not Available
• Shift Not Allowed
• Shift To Neutral Then Drive Or Reverse
• Autostick Unavailable Service Required
• Automatic Unavailable Use Autostick Service Req.
• Transmission Getting Hot Push Brake
• Trans. Hot Stop Safely Shift To Park Wait To Cool
• Transmission Cool Ready To Drive
• Trailer Brake Disconnected
• Service Transmission
• Service Shifter
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GETTING TO KNOW YOUR INSTRUMENT PANEL 179

•Engage Park Brake To Prevent Rolling
• Transmission Too Cold Idle With Engine On
• Washer Fluid Low
• Service Air Suspension System
• Heavy Duty Air Suspension System Disabled
• Selected Ride Height Not Permitted Due To Speed
• Selected Ride Height Not Permitted Due To Payload
• Selected Ride Height Not Permitted - Payload Too Light
• Battery Low Start Engine To Change Ride Height
• Normal Ride Height Achieved
• Aerodynamic Ride Height Achieved
• Off Road 1 Ride Height Achieved
• Off Road 2 Ride Height Achieved
• Entry/Exit Ride Height Achieved
• Selected Ride Height Not Permitted
• Service Air Suspension System Immediately
• Reduce Speed To Maintain Selected Ride Height
• Air Suspension System Cooling Down Please Wait •
Vehicle Cannot Be Lowered Door Open
• Off Road 2 Watch For Clearance
• Entry/Exit Watch For Clearance
• Air Suspension Temporarily Disabled For Jacking And
Tire Change
• Battery Low Start Engine To Change Ride Height
The Reconfigurable Telltales section is divided into the
white telltales area on the right, yellow telltales in the
middle, and red telltales on the left.
Display Menu Items
Push and release the upordown arrow button until the
desired selectable menu icon is highlighted in the instru-
ment cluster display.
Speedometer
Push and release the upordown arrow button until the
speedometer menu item is highlighted in the instrument
cluster display. Push and release the rightarrow button to
cycle the display between mph and km/h.
Vehicle Info
Push and release the upordown arrow button until the
Vehicle Info menu item is highlighted in the instrument
180 GETTING TO KNOW YOUR INSTRUMENT PANEL

What to do when an electrical load reduction action
message is present (“Battery Saver On” or “Battery Saver
Mode”)
During a trip:
•Reduce power to unnecessary loads if possible:
– Turn off redundant lights (interior or exterior)
– Check what may be plugged in to power outlets +12V, 115V AC, USB ports
– Check HVAC settings (blower, temperature)
– Check the audio settings (volume)
After a trip:
• Check if any aftermarket equipment was installed (ad-
ditional lights, upfitter electrical accessories, audio sys-
tems, alarms) and review specifications if any (load and
Ignition Off Draw currents).
• Evaluate the latest driving cycles (distance, driving time
and parking time).
• The vehicle should have service performed if the mes-
sage is still present during consecutive trips and the
evaluation of the vehicle and driving pattern did not
help to identify the cause.WARNING LIGHTS AND MESSAGES
Red Warning Lights
— Seat Belt Reminder Warning Light
This light indicates when the driver or passenger seat belt
is unbuckled. When the ignition is first placed in the
ON/RUN or ACC/ON/RUN position and if the driver ’s
seat belt is unbuckled, a chime will sound and the light will
turn on. When driving, if the driver or front passenger seat
belt remains unbuckled, the Seat Belt Reminder Light will
flash or remain on continuously and a chime will sound.
Refer to “Occupant Restraints Systems” in “Safety” for
further information.
— Air Bag Warning Light
This light indicates a fault with the air bag, and will turn on
for four to eight seconds as a bulb check when the ignition
is placed in the ON/RUN or ACC/ON/RUN position.
This light will illuminate with a single chime when a fault
with the air bag has been detected, it will stay on until the
fault is cleared. If the light is either not on during startup,
stays on, or turns on while driving, have the system
inspected at an authorized dealer as soon as possible.
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GETTING TO KNOW YOUR INSTRUMENT PANEL 189

— Brake Warning Light
This light monitors various brake functions, including
brake fluid level and parking brake application. If the
brake light turns on it may indicate that the parking brake
is applied, that the brake fluid level is low, or that there is
a problem with the anti-lock brake system reservoir.
If the light remains on when the parking brake has been
disengaged, and the fluid level is at the full mark on the
master cylinder reservoir, it indicates a possible brake
hydraulic system malfunction or that a problem with the
Brake Booster has been detected by the Anti-Lock Brake
System (ABS) / Electronic Stability Control (ESC) system.
In this case, the light will remain on until the condition has
been corrected. If the problem is related to the brake
booster, the ABS pump will run when applying the brake,
and a brake pedal pulsation may be felt during each stop.
The dual brake system provides a reserve braking capacity
in the event of a failure to a portion of the hydraulic
system. A leak in either half of the dual brake system is
indicated by the Brake Warning Light, which will turn on
when the brake fluid level in the master cylinder has
dropped below a specified level.
The light will remain on until the cause is corrected.NOTE:
The light may flash momentarily during sharp
cornering maneuvers, which change fluid level conditions.
The vehicle should have service performed, and the brake
fluid level checked.
If brake failure is indicated, immediate repair is necessary.
WARNING!
Driving a vehicle with the red brake light on is
dangerous. Part of the brake system may have failed. It
will take longer to stop the vehicle. You could have a
collision. Have the vehicle checked immediately.
Vehicles equipped with the Anti-Lock Brake System (ABS)
are also equipped with Electronic Brake Force Distribution
(EBD). In the event of an EBD failure, the Brake Warning
Light will turn on along with the ABS Light. Immediate
repair to the ABS system is required.
Operation of the Brake Warning Light can be checked by
turning the ignition switch from the OFF position to the
ON/RUN position. The light should illuminate for ap-
proximately two seconds. The light should then turn off
unless the parking brake is applied or a brake fault is
detected. If the light does not illuminate, have the light
inspected by your authorized dealer.
190 GETTING TO KNOW YOUR INSTRUMENT PANEL

The light also will turn on when the parking brake is
applied with the ignition switch in the ON/RUN position.
NOTE:This light shows only that the parking brake is
applied. It does not show the degree of brake application.
— Vehicle Security Warning Light — If Equipped
This light will flash at a fast rate for approximately 15
seconds when the vehicle security alarm is arming, and
then will flash slowly until the vehicle is disarmed.
— Engine Coolant Temperature Warning Light
This light warns of an overheated engine condition. If the
engine coolant temperature is too high, this indicator will
illuminate and a single chime will sound. If the tempera-
ture reaches the upper limit, a continuous chime will be
sound for four minutes or until the engine is able to cool:
whichever comes first.
If the light turns on while driving, safely pull over and stop
the vehicle. If the A/C system is on, turn it off. Also, shift
the transmission into NEUTRAL and idle the vehicle. If the
temperature reading does not return to normal, turn the
engine off immediately and call for service. Refer to “If
Your Engine Overheats” in “In Case Of Emergency” for
further information.
— Battery Charge Warning Light
This light illuminates when the battery is not charging
properly. If it stays on while the engine is running, there
may be a malfunction with the charging system. Contact
your authorized dealer as soon as possible.
This indicates a possible problem with the electrical system
or a related component.
— Oil Pressure Warning Light
This light indicates low engine oil pressure. If the light
turns on while driving, stop the vehicle and shut off the
engine as soon as possible. A chime will sound when this
light turns on.
Do not operate the vehicle until the cause is corrected. This
light does not indicate how much oil is in the engine. The
engine oil level must be checked under the hood.
— Electronic Throttle Control (ETC) Warning
Light
This light informs you of a problem with the Electronic
Throttle Control (ETC) system. If a problem is detected
while the vehicle is running, the light will either stay on or
flash depending on the nature of the problem. Cycle the
ignition when the vehicle is safely and completely stopped
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GETTING TO KNOW YOUR INSTRUMENT PANEL 191

and the transmission is placed in the PARK position. The
light should turn off. If the light remains on with the
vehicle running, your vehicle will usually be drivable;
however, see an authorized dealer for service as soon as
possible.
NOTE:This light may turn on if the accelerator and brake
pedals are pressed at the same time.
If the light continues to flash when the vehicle is running,
immediate service is required and you may experience
reduced performance, an elevated/rough idle, or engine
stall and your vehicle may require towing. The light will
come on when the ignition is placed in the ON/RUN or
ACC/ON/RUN position and remain on briefly as a bulb
check. If the light does not come on during starting, have
the system checked by an authorized dealer.
— Electric Power Steering Fault Warning Light
This light will turn on when there’s a fault with the EPS
(Electric Power Steering) system. Refer to “Power Steering”
in “Starting And Operating” for further information.
WARNING!
Continued operation with reduced assist could pose a
safety risk to yourself and others. Service should be
obtained as soon as possible.
— Trailer Brake Disconnected Warning Light
This telltale is on when the Trailer Brake has been discon-
nected.
— Door Open Warning Light
This indicator will illuminate when a door is ajar/open and
not fully closed.
NOTE: If the vehicle is moving there will also be a single
chime.
Yellow Warning Lights
— Engine Check/Malfunction Indicator Warning
Light (MIL)
The Engine Check/Malfunction Indicator Light (MIL) is a
part of an Onboard Diagnostic System called OBD II that
monitors engine and automatic transmission control sys-
tems. The light will illuminate when the ignition is in the
ON/RUN position before engine start. If the bulb does not
192 GETTING TO KNOW YOUR INSTRUMENT PANEL