OPERATOR'S MANUAL

Table Of Contents
Operating Instructions Instruments and Controls
Model 330 PB1318 3/01
– 19 –
Self Test
When you turn on your ignition, the following warning lights
will turn on for 3 - 5 seconds, as a test to let you know they
are working.
WARNING! Do not ignore a warning light or
buzzer. These signals tell you something is
wrong with your vehicle. It could be a failure in an
important system, such as the brakes, which could lead
to an accident. Have the appropriate system checked
immediately.
The buzzer will sound continuously as long as:
Engine temperature is above the specified range
Air pressure to the service brakes is low
Engine oil pressure is low
There is a problem in the hydraulic brake system
If the buzzer sounds while driving, or if a light comes on, do
the following:
1. Slow down carefully.
2. Move a safe distance off the road and stop.
3. Set the parking brake. (See Pages
65
and
72
for trans-
mission shifting and parking brake information.)
4. If the engine is overheating do not turn it off, see
page
22
; otherwise, for other conditions turn the engine OFF.
5. Turn on the emergency flasher and use other warning
devices to alert other motorists.
Diff Lock Trailer ABS
Water Temp Left Turn
Mirror Heat Load Light
Brake Air (or Brake *) High Beam
Fifth Wheel Right Turn
Oil Pressure Engine Fan
ABS Park *
* Vehicle with hydraulic brakes only