release the trailer brakes. The lever will automatically
return to the up position when it is released. The
lever can be partially or fully applied, but in any
partially on position it will be overridden by a full
application of the service brake pedal.
Antilock Braking
The Meritor
™
WABCO® Antilock Braking
(ABS+) passively monitors vehicle wheel speed at all
times, and controls wheel speed during emergency
stops or wheel lock situations.
During emergency or reduced-traction stops, fully
depress the brake pedal until the vehicle comes to a
safe stop.
Do not pump the brake pedal
. With the
brake pedal fully depressed, the ABS+ will control all
wheels to provide steering control and a reduced
braking distance.
The ABS+ is designed to communicate with a trailer
ABS, if they are compatible. Compatibility will result
in the illumination of the trailer ABS lamp during
vehicle start-up and fault detection. The trailer ABS
lamp will not illuminate unless a compatible trailer is
connected to the tractor.
Vehicles with ABS+ have Automatic Traction Control
(ATC). On these vehicles, the ATC system
automatically limits wheel spin during reduced-
traction situations. In normal braking applications, the
standard air brake system is in effect.
If equipped, pressing the ATC SPIN switch shown in
shuts ATC off and allows drive wheel spin.
Pressing the switch again, or cycling the ignition key,
will cycle the system back to normal operation.
NOTICE
The ATC spin feature is intended to be used
under specific slippery conditions that require
momentary increased wheel spin. Using this
option for an extended period of time may
damage the vehicle brake system.
Hill Start Aid Override Switch
The eCascadia is equipped with a Hill Start Aid
(HSA) feature to prevent the vehicle from rolling
while on steep grades and to allow for a controlled
launch. HSA delays the release of the service brakes
until enough torque is available to begin moving the
vehicle forward, for a maximum of 3 seconds. HSA is
on by default. It can be turned off by pressing and
releasing the HSA override switch on the dash. See
Horn Control
Electric Horn
The eCascadia is equipped with an electric horn.
Activate the horn by pressing down on the center of
the steering wheel pad.
f610591
02/03/2017
Fig. 4.13, Trailer Brake Lever
f611333
03/02/2016
ATC
SPIN
Fig. 4.14, ATC SPIN Dash Switch
f611406
04/18/2016
HSA
OFF
Fig. 4.15, Hill Start Aid Override Switch
Driver Controls
4.6
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