User Manual

WARNING
If the Stop Engine warning light illumi-
nates,
it means you have a serious en-
gine system problem. This should be
considered an emergency. You should
stop the vehicle as safely as possible
and turn OFF the ignition. The vehicle
must be serviced and the problem cor-
rected before driving again. Failure to
comply may result in death, personal
injury, equipment or property damage.
Engine, Wait To Start
Illuminates when engine grid heater is on.
(P
ACCAR PX-6, PX-8, and Cummins ISL
engines)
Emissions, Engine Derate
Emissions, High Exhaust System
T
emperature
WARNING
If this light is on, do not park in an area
of
combustible vapors or materials.
You must keep combustibles at least 5
ft. (1.5 m) away from the exhaust (out-
let) stream as it exits the tail pipe while
the HEST light is illuminated. Always
park your vehicle outside. Failure to do
so could ignite an explosion or harm
bystanders which could result in seri-
ous injury.
WARNING
If this lamp is on, do not park in an
area
where people are close by. You
must keep combustibles at least 5 ft.
(1.5 m) away from the exhaust outlet
while the HEST lamp is illuminated.
Failure to do so could result in serious
injury
.
WARNING
If this lamp is on, temperature of the
tailpipe,
exhaust pipes, the diesel par-
ticular filter (DPF)/selective catalytic
reduction (SCR) device and surround-
ing components including enclosures
and steps becomes elevated during
engine operation or any regeneration
event and can cause serious burns to
the skin. Allow adequate cooling time
before approaching, working on or
near any part of the exhaust system or
surrounding components.
Illuminates when the exhaust gas
temperature and exhaust components
become extremely hot.
Fifth Wheel Locked
CONTROLS - Warning Lights and Indicators
60 Y53-6113-1A1 (11/20)
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