Mack M359 - Parking Brake; Trailer Air Supply

DRIVING ENVIRONMENT
OVERVIEW OF INSTRUMENTS
20
Power Take-Off (PTO)
Indicator
Indicates that the Power Take-Off
(PTO) is active.
21
Electronic Stability Control
(ESC) Indicator
Indicates that the Electronic Stability
Control (ESC) system is active.
22
Daytime Running Light (DRL)
Indicator
Indicates that the Daytime Running
Lights (DRL) are active.
23
Lane Change System (LCS)
Indicator
Indicates that the Lane Change
System (LCS) is off or disabled.
24
Airbag Indicator
Indicates that there is an airbag error.
Maintenance is required.
25
Tire Pressure Monitoring
System (TPMS) Indicator
Indicates that there is an issue with
the vehicle's tire pressure.
Maintenance is required.
26
Automatic Traction Control
(ATC)
Indicates the vehicle is losing
traction and the Automatic Traction
Control (ATC) is engaging.
Trailer Air Supply
The trailer air supply valve is a red
octagonally-shaped knob. Pull the knob
to apply the trailer emergency brakes.
Push the knob to pressurize the trailer
air reservoir and release the trailer
emergency brakes. The trailer air supply
valve should not be used for parking.
Parking Brake
The parking brake valve is a yellow
diamond-shaped knob. Pull the knob to
apply the parking brakes. Push the knob
to release the parking brakes.
NOTE
The Daytime Running Lights will activate
when the parking brake is released.
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