Cruise Control; Cruise Control Set Speed; Indicates That A Cruising Speed Is Set And Stored In The Memory; High Exhaust System Temperature (Hest) - PREVOST X3-45 VIP 2017 Owner's Manual

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)

Illuminates to notify the driver of potentially hazardous exhaust gas temperature at the
06740_A
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

Illuminates to notify the driver that a manual stationary regeneration will be required
06740_B
soon. Refer to "Exhaust Aftertreatment System" paragraph in Other Features chapter.

LOW DEF LEVEL

Illuminates when there is less than 2.6 gallons (10 liters) of DEF left in the tank.
06740_C
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

Indicates an alternator problem. One of the alternators is not charging.
06740_D
INTAKE AIR PREHEATER ON – WAIT BEFORE STARTING
Illuminates when the intake air preheater element is in function. Wait until this telltale
06740_E
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.
Controls and Instruments 4-33