PREVOST H 2018 Series, Operator'S Manual

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OTHER FEATURES 5-27
PA1628 H3-41, H3-45 Operator’s Manual
feature is active only at speeds below 25 mph
(40 km/h).

If all of the drive wheels begin to spin, the
TCS system will reduce engine throttle to
improve traction at all of the drive wheels.
If drive wheels begin to lose traction during
acceleration, TCS will engage automatically to
assist the driver in accelerating the vehicle. The
TCS icon in the DID will flash rapidly to let you
know whenever TCS is actively functioning.
ELECTRONIC STABILITY CONTROL (ESC)
The ESC stability system is an optional feature
for ABS-equipped vehicles that reduces the risk
of rollovers and loss of control. The ESC system
features include the RSP Roll Stability Program
and Yaw Control.
The RSP system counteracts the tendency of a
vehicle to tip over while changing direction
(typically, while turning).
To reduce the risk of rollover, the RSP system
detects potential rollover conditions and slows
the vehicle both by reducing engine throttle
(and hence, engine torque) and by applying
service brakes as needed at the appropriate
wheels.
WARNING
During an RSP system intervention, the
vehicle automatically decelerates. The RSP
system can slow the vehicle with or without
you applying the brake pedal, and even
when you are applying the throttle.
During an RSP system intervention, you can
always use your service brake pedal to increase
the braking pressure that will be applied.
However, if you were to apply less braking
pressure than needed or even if you release the
brake pedal entirely during an intervention, the
RSP system will continue to apply the necessary
amount of braking pressure automatically to the
appropriate wheels to mitigate a potential
rollover.
Yaw Control is a feature that reduces the risk of
loss of control. If a vehicle’s tires start to slide
during a turn, Yaw Control counteracts the
tendency of that vehicle to spin (or yaw),
thereby reducing the risk of loss of control.
Many factors, including road conditions, load
distribution and driving behavior, can contribute
to the development of a spin.
WARNING
In the case where a vehicle equipped with
the ESC system pulls a trailer, the latter
must be equipped with ABS.
CAUTION
Even with ESC-equipped vehicles, the driver
remains responsible for ensuring vehicle
stability during operation.
NOTE
For further details, consult “ Bendix
ABS Operator’s Manual”.
DCDL DRIVER CONTROLLED
DIFFERENTIAL LOCK (OPTIONAL)
By actuating the dashboard switch, the driver
can lock or unlock differential action.
The purpose of the DCDL is to provide maximum
vehicle traction and control on bad road surface
conditions. When the DCDL is actuated, a clutch
collar completely locks the differential case,
gearing, and axle shafts together. This feature
maximizes traction to both wheels. The lock
position will also protect against spinout
damage to the differential. The DCDL should not
be actuated when good road conditions exist.
OPERATION TIPS
1. The DCDL can be locked or unlocked if the
vehicle is standing still or moving at a
constant low speed when the wheels are
not spinning, slipping, or losing traction.
2. When the DCDL is locked, operate the
vehicle at low speeds. DCDL will not
engage and will disengage in speed higher
than 5 MPH (8 km/h).
3. When the DCDL is locked, the vehicle’s
turning radius will increase. This condition