Telltale Lights; Stop; Check; Information - PREVOST X3-45 VIP 2017 Owner's Manual

4-32 Controls and Instruments

TELLTALE LIGHTS

The telltale lights illuminate during 5 seconds at the start of every ignition cycle as a light bulb check.

STOP

Indicates that a serious problem has been detected. Immediately park the coach in a
safe place and stop the engine. This telltale light may be accompanied with a message
in the DID and a diagnostic troubleshooting code will be stored to ease identification of
the problem. WARNING: Failure to take necessary action when the STOP telltale light is
on can ultimately result in automatic engine derate and shutdown.

CHECK

Indicates that a problem has been detected and must be checked at the next stop. This
telltale light may be accompanied with a message in the DID and a diagnostic
troubleshooting code will be stored to ease identification of the problem.
FORWARD VEHICLE DETECTED – ADAPTIVE CRUISE BRAKING
When the ACB is engaged with a cruise speed set and the forward vehicle is in range,
the FORWARD VEHICLE DETECTED telltale light illuminates, indicating the ACB
system is actively tracking the forward vehicle.
GREEN: The vehicle ahead of you is detected by the radar.
FLASHING RED: Impact alert. The vehicle ahead of you is to close. The driver must
take immediate evasive action by applying more braking power and/or steering clear of
the vehicle ahead to avoid a potential collision.
RED: System malfunction. The Adaptive Cruise Braking is not available.

INFORMATION

This telltale light illuminates when there is a new information message or an abnormal
status is detected by the electronic control unit. A pictogram, text or both are shown in
the DID in addition to the info telltale light. Make sure the indicated fault is checked at
the next stop.

TURN SIGNAL INDICATORS

Flashes when the right or left turn signals are activated. Signal right and left turns by
operating the multi-function lever. See "Steering Column Controls" in this chapter.
NOTE
The turn signals are automatically activated when the vehicle is backing up.

PARKING BRAKE OR EMERGENCY BRAKE APPLIED

Illuminates when the emergency/parking brake is applied. The control valve is located
on the L.H. control panel. An audible alert will sound if ignition is turned to off and the
parking brake is not engaged.

AFTERTREATMENT SYSTEM MALFUNCTION (MALFUNCTION INDICATOR LAMP)

Indicates a failure of an emission control device. May illuminates at the same time as the
CHECK amber warning light. The lamp will go out after 3 completed ignition on-ride-
ignition off cycles. Vehicle can be driven to end of shift. Call for service.