PREVOST X3-45 2011, Operator'S Manual

Page: 71 / 214

Controls and Instruments 65
CRUISE CONTROL
Indicates that the cruise control is enabled.
CRUISE CONTROL SET SPEED
Indicates that a cruising speed is set and stored in the memory.
HIGH EXHAUST SYSTEM TEMPERATURE (HEST)
06740_A
Illuminates to notify the driver of potentially hazardous exhaust gas temperature at the
exhaust system diffuser.
WARNING
During regeneration, exhaust temperature may reach up to 1200°f (650°c) at the
particulate filter. When parking the vehicle, if this telltale light is illuminating, make
sure that the exhaust system diffuser is away from people or any flammable
materials, vapors or structures.
DPF REGENERATION REQUEST
06740_B
Illuminates to notify the driver that a manual stationary regeneration will be required
soon. Refer to “Exhaust Aftertreatment System" paragraph in
Other Features chapter.
LOW DEF LEVEL
06740_C
Illuminates when there is less than 2.6 gallons (10 liters) of DEF left in the tank.
CAUTION
This telltale light starts flashing when there is only 2.5 liters (0.6 gallons) left in the
tank.
If the vehicle is kept in operation with an empty DEF tank, and engine derate will
eventually occur, limiting the speed to 5 mph.
ALTERNATORS
06740_D
Indicates an alternator problem. One of the alternators is not charging.
NOTE
To identify which alternator is defective (1=lower alternator, 2=upper alternator), perform
a system diagnostic using the Driver Information Display DIAGNOSTICS menu. Select
VIEW ACTIVE FAULTS and then ELECTRICAL SYSTEM. Scroll through the active
faults. The electrical system active faults will appear. A diagnostic message indicating
“alternator 1” or “alternator 2” with failure mode “open circuit” will come in sight.