User Manual

Indicates the level of engine braking
applied when the engine brake is enabled.
Engine, Check Engine
Illuminates when a problem exists, but the
vehicle can still be safely driven. V
ehicle
should be serviced to correct the problem,
but the situation should not be considered
an emergency.
The Check Engine lamp will activate for
several reasons. These include but are not
limited to Water in Fuel, No-Idle Shutdown
alert screens, High Exhaust Temperature,
Diesel Particulate Filter (DPF) and Diesel
Exhaust Fluid (DEF) warning lights. You
may need to refer to your Engine
Operator's Manual for additional
information.
NOTE
Only for engines equipped with emis-
sions aftertreatment.
Engine, Engine Block Heater
Illuminates when the engine block heater is
turned on.
Engine, Low Coolant Level
Illuminates with an audible alarm indicating
critically low coolant level. The vehicle
must be serviced to correct the problem
but the situation should not be considered
an emergency
.
Engine, Overspeed
Illuminates when engine RPM is exceeded
(Allison T
ransmissions).
Engine, Retarder (Brake)
Illuminates when the engine retarder
(compression brake or exhaust brake)
switch is turned on.
Engine, Stop Engine
Illuminates and an audible alarm tone will
sound when a major engine system
problem exists.
CONTROLS - Warning Lights and Indicators
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