Ram 2021 3500 dually truck 2021 RAM 3500

User Manual - Page 101

For 2021 RAM 3500.

PDF File Manual, 456 pages, Download pdf file

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GETTING TO KNOW YOUR INSTRUMENT PANEL 99
BASE INSTRUMENT CLUSTER
D
ESCRIPTIONS DIESEL ENGINE
1. Tachometer
Indicates the engine speed in revolutions
per minute (RPM x 1000).
2. Engine Coolant Temperature
This gauge shows the engine coolant
temperature. The gauge pointer will likely
show higher temperatures when driving in
hot weather, up mountain grades, or in
heavy stop and go traffic. If the red Warning
Light turns on while driving, safely bring the
vehicle to a stop, and turn off the engine.
DO NOT operate the vehicle until the cause
is corrected.
3. Instrument Cluster Display
When the appropriate conditions exist, this
display shows the instrument cluster
display messages
Ú page 101.
The display always shows one of the main
menu item after ignition on.
4. Oil Pressure Gauge
The pointer should always indicate some oil
pressure when the engine is running. A contin-
uous high or low reading under normal driving
c
onditions may indicate a lubrication system
malfunction. Immediate service should be
obtained from an authorized dealer.
5. Speedometer
Indicates vehicle speed.
6. Diesel Exhaust Fluid (DEF) Gauge
The DEF Gauge displays the actual level of
Diesel Exhaust Fluid in the DEF tank. DEF is
required to maintain normal vehicle opera
-
tion and emissions compliance. If some-
thing is wrong with the gauge, a DEF
W
a
rning Message or Malfunction Indicator
Light (MIL) will be displayed. More informa
-
tion is available in the instrument cluster
di
splay section under the heading of DEF
Warning Messages.
7. Fuel Gauge
The pointer shows the level of fuel in the
fuel tank when the ignition switch is in the
ON/RUN position.
The fuel pump symbol points to
the side of the vehicle where the fuel
fi
ller door is located.
NOTE:
The gauge may take up to five seconds to
update after adding a gallon or more of DEF to
the DEF tank. If you have a fault related to the
DEF system, the gauge may not update to the
new level. See an authorized dealer for service.
The DEF gauge may also not immediately
update after a refill if the temperature of the
DEF fluid is below 39°F (4°C). The DEF tank
heater will warm up the DEF fluid and allow the
gauge to update after a period of run time.
Under very cold conditions, it is possible that the
gauge may not reflect the new fill level for
several drives.
WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. It is recommended to call an authorized
dealer for service if your vehicle overheats.
CAUTION!
Driving with a hot engine cooling system could
damage your vehicle. If the temperature gauge
reads greater 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.
3
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