PREVOST X3-45 VIP 2017, Owner'S Manual

Page: 67 / 212

Controls and Instruments 4-33
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.
06740_A
HIGH EXHAUST SYSTEM TEMPERATURE (HEST)
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.
06740_B
DPF REGENERATION REQUEST
Illuminates to notify the driver that a manual stationary regeneration will be required
soon. Refer to “Exhaust Aftertreatment System" paragraph in
Other Features chapter.
06740_C
LOW DEF LEVEL
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.
06740_D
ALTERNATORS
Indicates an alternator problem. One of the alternators is not charging.
06740_E
INTAKE AIR PREHEATER ON
– WAIT BEFORE STARTING
Illuminates when the intake air preheater element is in function. Wait until this telltale
light has turned off before starting the engine. For more information on this feature, refer
to paragraph “Cold Weather Starting” in
Starting And Stopping Procedures chapter.