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PREVOST X3-45 - Message Center Display (MCD) Functions

PREVOST X3-45
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Controls and Instruments
50
ACCELERATOR PEDAL
The position of the accelerator pedal does not
need to be changed during the shifting process.
The clutch actuation and engine speed are
controlled by the electronic transmission control
unit (ECU) depending on accelerator pedal
position.
AUTOMATIC MODE
If the “D” key is pressed, the gear shifting
system selects the most appropriate gear for
starting. The 2
nd
gear is the default starting gear;
however, the system will select the 1
st
gear if
necessary like when starting the vehicle on a
slope. Once the accelerator is depressed, the
clutch engages automatically and then the
vehicle starts to move. The gear shifting system
automatically performs upshifts and downshifts
during travel. When in automatic mode, the gear
shifting system avoids shifts which result in the
engine overspeeding or stalling. The driver can
always intervene manually (upshift and
downshift) with no need to change the
accelerator pedal position – for example, in
difficult driving situations. The driving mode then
changes from automatic to manual for
approximately 20 seconds then returns to
automatic mode.
MANUAL MODE
If the “Fn” key is pressed, the transmission
system changes into manual mode. The driver
can also press the upshift or downshift key to
select a moving off gear other than the one
proposed by the system. Once the accelerator is
depressed, the clutch engages automatically
and the vehicle starts to move. The driver uses
the key “
” or “ ” to select the gears required.
NOTE
The driver must avoid overspeeding the
engine. The engine may stall if the accelerator
is depressed in a gear too high.
EASY START SYSTEM
This system intervene during passage from
neutral “N” to forward travel “D” or reverse
travel “R” in maintaining drive axle service
brakes application for 2 seconds after brake
pedal has been released. This system eases the
starting of the vehicle on a slope, preventing it
from rolling while the clutch is not fully engaged.
DRIVING TIPS
CAUTION
The engine should not be idled for extended
periods at slow idle. For extended idling,
engine should run at fast idle.
DANGER
Always apply parking brake before leaving
driver’s seat. The driver must not leave the
vehicle when the engine is running and a gear
is selected.
CAUTION
Do not allow the vehicle to coast in neutral
(N). This practice can result in transmission
damage. Also, no engine breaking is available
in neutral (N).
Indicator light in the “R”, “N” and “D” keys
Flashing: Transmission function change
requested. Function change is
completed when indicator light is
permanently illuminated.
Permanently illuminated: Function in use.
STARTING THE ENGINE
07084
07085
&
Apply parking brake
&
Switch on “ignition”
&
Transmission system self-
check. “CH” appears on the
display.
The indicator light of the “N”
key lights up as soon as the
neutral transmission shift has
been completed.
&
Start the engine
&
Self-check is completed
when N” (neutral) appears on
the display, transmission is in
neutral setting. On start-up,
automatic mode is default
selection.
NOTE
Gear shifts are not possible
when the engine is not running.

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