Navistar WorkStar Series, Operator'S Manual

Page: 54 / 258

Controls/Features
11 Illuminates Yellow when the traction
control system is turned off. It also
illuminates momentarily when the
traction control system is on and is
limiting wheel spin. Indicator blinks if
slippery road conditions exist. If this
happens, adjust your driving accordingly.
Refer to the Operation section for more
information.
12 Not used.
13 Illuminates Yellow when exhaust system
components are operating under normal
conditions and exhaust gases are at
extremely high temperatures.
14 Diesel Particulate Filter (DPF) status
indicator. Illuminates Yellow (Solid
or Flashing) to indicate the need to
regenerate the Diesel Particulate Filter.
(See Exhaust Regen in the Vehicle
Operation Section).
15 Engine Emissions Control System
Malfunction Indicator Lamp (MIL)
Illuminates Yellow when an emissions
problem has occurred.
16 Illuminates Red when a parking brake
system malfunction has been detected.
If the Service Parking Brake indicator
stays illuminated, have the system
serviced immediately.
17 Optional indicator illuminates Red
immediately after ignition is turned on to
remind operator to fasten seat belt.
Optional Seat Belt Reminder with Seat
Belt Monitoring causes initial visual
indication, then flashes with audible
alarm when ignition is on, parking brake
is released, and seat belt is not fastened.
18 Illuminates Red when the brake fluid
falls below the safe operating level.
19 Not used.
20 Not used.
21 Illuminates Yellow when an antilock
brake system malfunction has been
detected. If the ABS indicator stays
illuminated or continues to flash, have
the system serviced immediately.
22 Illuminates Yellow when transmission
Economy Mode is selected. Refer to
the Transmission Operator’s Manual for
more information.
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