freightliner cascadia, Driver Manual

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message to indicate that the fault status has
changed to a previously active fault.
In the event the CWS antenna becomes blocked
while the vehicle is moving (e.g., snow, mud, ice,
tampering, etc.), the system sounds a tone and dis-
plays the fault screen shown in
Fig. 6.16 .
Contact an authorized Freightliner dealer to review
and clear previously active fault codes.
OnGuard ™ Collision Safety
System
Meritor WABCO OnGuard is a forward-looking radar-
based adaptive cruise control and collision safety
system with active braking. The system includes a
collision warning system (CWS), adaptive cruise con-
trol (ACC) with active braking, and a collision mitiga-
tion system (CMS).
The system performs in fog, rain, snow, dust, smoke,
and darkness. To be detected, objects must be within
the radar field of view and provide a surface area
that can reflect the radar.
The front-looking antenna assembly transmits radar
signals to, and receives them back from, objects
ahead of the vehicle. This allows the determination of
the distance, speed, and angle of the object ahead.
The system uses this information to warn the driver
of potentially dangerous situations.
WARNING
The Meritor WABCO OnGuard
™
Collision Safety
System is intended solely as an aid for an alert
and conscientious professional driver. It is not
intended to be relied upon to operate a vehicle.
Use the system in conjunction with rearview mir-
rors and other instruments to safely operate the
vehicle. Operate a vehicle equipped with the On-
Guard in the same safe manner as if the CWS
were not present.
The OnGuard Collision Safety System is not a
substitute for safe, normal driving procedures,
nor will it compensate for any driver impairment
such as drugs, alcohol, or fatigue.
The OnGuard Collision Safety System may pro-
vide little or no warning of hazards such as pe-
destrians, animals, oncoming vehicles, or cross
traffic.
Failure to drive safely and use the system prop-
erly could result in personal injury and/or death
and severe property damage.
OnGuard Display Unit
The OnGuard system controls are located in the dis-
play unit. The display provides visual and audible
warnings and messages, as well as verification of
correct system operation and faults. Menu selections
are made by pressing the up and down arrows, and
the MODE button. See
Fig. 6.17 .
The display includes:
•
an internal speaker
•
a graphic display
•
buttons to scroll and select options
Collision Warning System (CWS)
The CWS generates audible and visual alerts when
the vehicle’s following distance may result in a colli-
sion. The CWS provides only a warning, and will not
control vehicle speed.
f610936a
VORAD fault
Collision warn FAILED
OK
OK
02/03/2012
TM
Fig. 6.15, VORAD Fault Display
f610937a
VORAD fault
Radar Blocked
OK
OK
02/03/2012
TM
Fig. 6.16, Antenna Blocked Display
Driver Assistance Features
6.7