SECTION 5
DASH / AUTO
5-2
Never drive your vehicle with the parking
brake set. It will reduce parking brake effective-
ness and cause excessive wear.
GRADE BRAKE
Workhorse Chassis Only
20,700 lbs. or Greater GVWR
This feature will enable the transmission to
control the speed of the vehicle on long downhill
grades to help avoid brake overheating and un-
necessary brake wear.
To Activate the Grade Brake
•
Press the Grade Brake switch on the left side
of the dash to activate the feature.
•
A green icon (shown below) will appear on
the instrument cluster when the grade brake
system is active.
•
Press and release the brake pedal once - the
grade brake will downshift the transmission
a gear to help control the vehicle speed
•
Press the accelerator to reset the transmis-
sion to shift normally until the next time you
press the brake pedal
•
Turn the Grade Brake system off when not
on steep or long downhill grades.
The grade brake has a built-in, self protection
feature that will not allow the transmission to
downshift at high speeds which could damage the
transmission or engine if downshifted.
CRUISE CONTROL
The electronic speed control (cruise) allows
you to maintain a steady speed and relieve driv-
ing strain while traveling long distances.
See your chassis operator manual for com-
plete instructions and precautions on the cruise
control.
COMFORT CONTROLS
Controls for the air conditioner, heater, de-
froster and vent are all combined into one control
panel. Refer to the following instructions for use
of individual controls.
Fan Switch
Smallest dot is lowest air movement; Largest
dot is maximum air movement. Fan will run at set
speed when mode knob is in any position except
Off. When mode knob is set to Off, the fan will
not run.
Temp Control
Blue = Cold / Red = Warm
Grade Brake Symbol
Do not operate the cruise control on
icy or extremely wet roads, winding
roads, in heavy traffic, or in any other
traffic situation where a constant
speed cannot be maintained.
WARNING
Fan Switch
Temp
Control
Mode
Selector