2019 Ram 2500 coolant

92 GETTING TO KNOW YOUR VEHICLE
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.
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. Use of the Air Recirculation mode during
Winter months is not recommended, because it may cause
window fogging.
Vacation/Storage
Before 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 on high. This will ensure adequate system
lubrication to minimize the possibility of compressor
damage when the system is started again. Window Fogging
Vehicle windows tend to fog on the inside in mild, rainy,
and/or humid 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.
CAUTION!
Failure to follow these cautions can cause damage to the
heating elements:
• Use care when washing the inside of the rear window. Do not use abrasive window cleaners on the interior
surface of the window. Use a soft cloth and a mild
washing solution, wiping parallel to the heating
elements. Labels can be peeled off after soaking with
warm water.
• Do not use scrapers, sharp instruments, or abrasive window cleaners on the interior surface of the window.
• Keep all objects a safe distance from the window.

162 GETTING TO KNOW YOUR INSTRUMENT PANEL
7. Temperature Gauge•The gauge pointer shows engine coolant temperature.The pointer positioned within the normal range indi -
cates that the engine cooling system is operating satis -
factorily.
•The gauge pointer will likely indicate a higher tempera -
ture when driving in hot weather, up mountain grades,
or when towing a trailer. It should not be 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 Maintenance.” Follow the
warnings under the Cooling System Pressure Cap
paragraph.
CAUTION!
Driving with a hot engine cooling system could damage
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.

164 GETTING TO KNOW YOUR INSTRUMENT PANEL
Premium Instrument Cluster Descriptions
1. Tachometer•Indicates the engine speed in revolutions per minute(RPM x 1000).
2. Instrument Cluster Display
• When the appropriate conditions exist, this displayshows the instrument cluster display messages. Refer
to “Instrument Cluster Display” in “Getting To Know
Your Instrument Panel” for further information.
3. Speedometer
•Indicates vehicle speed.
4. Fuel Gauge
•The pointer shows the level of fuel in the fuel tank whenthe ignition is in the ON/RUN position.
• The fuel pump symbol points to the side of the vehicle where the fuel door is located. 5. Temperature Gauge
•The gauge pointer shows engine coolant temperature.The pointer positioned within the normal range indi -
cates that the engine cooling system is operating satis -
factorily.
•The gauge pointer will likely indicate a higher tempera -
ture when driving in hot weather, up mountain grades,
or when towing a trailer. It should not be 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 Maintenance.” Follow the
warnings under the Cooling System Pressure Cap
paragraph.

GETTING TO KNOW YOUR INSTRUMENT PANEL 169
Display Menu Items
Push and release the up or down arrow button until the
desired selectable menu icon is highlighted in the instrument
cluster display.
Speedometer
Push and release the up or down arrow button until the
speedometer menu item is highlighted in the instrument
cluster display. Push and release the right arrow button to
cycle the display between mph and km/h.
Vehicle Info
Push and release the up or down arrow button until the
Vehicle Info menu item is highlighted in the instrument
cluster display. Push and release the right arrow button to
enter the submenus items of Vehicle Info. Follow the direc -
tional prompts to access or reset any of the following Vehicle
Info submenu items:
• Tire Pressure
• Coolant Temperature — If Equipped
• Transmission Temperature — If Equipped
• Oil Temperature — If Equipped
• Oil Pressure • Exhaust Brake — If Equipped
• Turbo Boost — If Equipped
• Oil Life
• Fuel Filter Life — If Equipped
• Battery Voltage
• Gauge Summary — If Equipped
• Engine Hours
Driver Assist — If Equipped
The Driver Assist menu displays the status of the ACC
system.
Push and release the
up or down arrow button until the
Driver Assist menu is displayed in the instrument cluster
display.
Adaptive Cruise Control (ACC) Feature
The instrument cluster display displays the current ACC
system settings. The information displayed depends on ACC
system status.
3

GETTING TO KNOW YOUR INSTRUMENT PANEL 173
Upper Left
• None
• Compass (Default Setting) — If Equipped
• Outside Temp — If Equipped
• Time
• Range To Empty
• Average MPG
• Current MPG
• Trip A Distance
• Trip B Distance
• Trailer Trip — If Equipped
• Trailer Brake — If Equipped
• Oil Pressure — If Equipped
• Coolant Temperature — If Equipped
• Oil Temperature — If Equipped
• Battery Voltage — If Equipped
• Transmission Temperature — If Equipped
• Oil Life — If Equipped• Exhaust Brake — If Equipped
• Turbo Boost — If Equipped
• Fuel Filter Life — If Equipped
Upper Center
• None
• Compass
• Outside Temp
• Time
• Range To Empty
• Average MPG
• Current MPG
• Trip A Distance
• Trip B Distance
• Trailer Trip
• Audio
• Speedometer (Default Setting)
• Menu Title
3

174 GETTING TO KNOW YOUR INSTRUMENT PANEL
Upper Right
• None
• Compass — If Equipped
• Outside Temp (Default Setting) — If Equipped
• Time
• Range To Empty
• Average MPG
• Current MPG
• Trip A Distance
• Trip B Distance
• Trailer Trip — If Equipped
• Trailer Brake — If Equipped
• Oil Pressure — If Equipped
• Coolant Temperature — If Equipped
• Oil Temperature — If Equipped
• Battery Voltage — If Equipped• Transmission Temperature — If Equipped
• Oil Life — If Equipped
• Exhaust Brake — If Equipped
• Turbo Boost — If Equipped
• Fuel Filter Life — If Equipped
Left Side — If Equipped
• None
• Range
• Average MPG
• Menu Icon (Default Setting)
• Coolant Temperature
• Oil Temperature
• Transmission Temperature
• Oil Life
• Fuel Filter Life — If Equipped

GETTING TO KNOW YOUR INSTRUMENT PANEL 175
Right Side — If Equipped
• None
• Range (Default Setting)
• Average MPG
• Menu Icon
• Coolant Temperature
• Oil Temperature
• Transmission Temperature
• Oil Life
• Fuel Filter Life — If Equipped
Lower Left — If Equipped
• None
• Compass
• Outside Temp
• Time
• Range To Empty• Average MPG
• Current MPG
• Trip A Distance
• Trip B Distance
• Trailer Trip
• Trailer Brake
• Oil Pressure
• Coolant Temperature
• Oil Temperature
• Battery Voltage (Default Setting)
• Transmission Temperature
• Oil Life
• Exhaust Brake — If Equipped
• Turbo Boost — If Equipped
• Fuel Filter Life — If Equipped
3

176 GETTING TO KNOW YOUR INSTRUMENT PANEL
Lower Right — If Equipped
• None
• Compass
• Outside Temp
• Time
• Range To Empty
• Average MPG
• Current MPG
• Trip A Distance
• Trip B Distance
• Trailer Trip
• Trailer Brake
• Oil Pressure (Default Setting)• Coolant Temperature
• Oil Temperature
• Battery Voltage
• Transmission Temperature
• Oil Life
• Exhaust Brake — If Equipped
• Turbo Boost — If Equipped
• Fuel Filter Life — If Equipped
Restore Defaults
• Cancel (Default Setting)
• Ok