operators_manual

Table Of Contents
Axle, Inter-Axle Differential Locked
(Tandem)
Turn switch on to engage Inter-Axle
Differential Lock.
Axle, Two Speed
If equipped, the two speed axle switch
allows you to select axle high and low
ranges. The low range (Off) provides
maximum torque for operating off-highway.
The high range (On) is a faster ratio for
highway speeds.
Back Up Alarm Mute
Turn switch on to mute Back Up Alarm.
NOTE
The mute function use is discouraged.
Only use mute when legally required.
Batteries, Low Voltage Disconnect
(LVD)
If your vehicle is equipped with a Low
Voltage Disconnect (LVD) feature, the LVD
is integrated into the main load center.
Brakes, ABS Off-Road
Turn switch on to engage ABS Off-Road
mode.
Brakes, Parking Brake Valve
Pull yellow knob to activate parking brakes.
Brake, Trailer Hand
This dash mounted switch provides air
pressure to apply the trailer brakes only. It
operates independently of the foot treadle
valve.
Cab Dimmer Switch
This switch is used to alter the brightness
of the instrument panel lights.
CONTROLS - Dash Switches
98 Y53-6126-1A1 (01/21)
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