Transmission
The Transmission vehicle settings menu allows the
driver to turn creep mode and eCoast on or off.
Creep mode is a DT12 Transmission feature that
helps the driver move the vehicle at slow speeds by
slipping the clutch to reduce torque to the wheels. It
is designed to improve maneuverability in situations
like parking, docking, and slow traffic.
To activate creep mode for the first time within the
current driving cycle, press the accelerator pedal to
launch the vehicle, thereby fully engaging the clutch.
Stopping the vehicle with the service brake will not
cause the vehicle to exit creep mode. While in creep
mode, a lower gear may be selected and the
transmission can be upshifted or downshifted with
the shifter stalk.
The eCoast feature is standard on DT12 engines. On
a downslope the clutch will momentarily disengage
so the vehicle maintains momentum while the engine
idles. Engine rpms will drop to 600 in eCoast mode.
Input from the driver will cause the vehicle to exit
eCoast mode.
For a fuller coverage of creep and eCoast mode see
Chapter 14 Automated and Automatic
Transmissions.
Engine Idle Adjust
This feature allows the increase or decrease of the
base engine idle speed. Increasing the base engine
idle might be necessary to generate enough power to
operate accessories.
The following conditions must be met to the engine
idle speed to be adjusted:
•
Engine is running
•
Vehicle is at a standstill
•
Transmission is in neutral
Optimized Idle
Optimized Idle reduces idle time by automatically
stopping and restarting the engine. Besides saving
fuel, it helps keep the batteries charged while
maintaining engine and cab temperature.
The following conditions must be met for the
optimized idle to function:
•
Vehicle in neutral gear
•
Park brake set
•
Hood latched
•
Sleeper fan on
Optimized Idle can be started with the engine
running or the engine off.
With the key on, go to Vehicle Settings and scroll
down to Optimized Idle. Press OK.
To enable optimized idle, press okay again. A screen
will appear saying the default battery mode is on and
interior comfort mode is off.
If you want to optimize the environment of the
sleeper section, turn on comfort mode. Press the
right hand arrow in the left hand switch pod to turn
interior comfort mode on and then press OK.
The vehicle will go into standby mode, an under
hood alarm will briefly sound, and the engine will
crank and achieve 900 rpm. The ICUC screen will
then state that it is in interior comfort mode and the
engine and air conditioning/fan will run until it
achieves the temperature requested by the driver.
The engine will then shut down.
Optimized idle can be shut off by ICUC controls or
pressing the brake. If the sleeper fan is turned off,
optimized idle will not shut down but the engine will.
For a fuller description of Optimized Idle, see
Chapter 10 Optional Engine Systems.
Infotainment: ICUC
Safety Information
WARNING
There is a risk of distraction from operating
integrated communication equipment while the
vehicle is in motion.
A driver can be distracted from the traffic situation if
operating communication equipment integrated in the
vehicle when driving, possibly causing loss of control
of the vehicle.
Only operate this equipment when the road and
traffic situation permits, otherwise stop and operate
the equipment with the vehicle stationary.
The driver must observe the legal requirements of
the country the vehicle is driving through when
operating the system.
Wearing polarized sunglasses may impair or limit
your ability to read the display.
Instruments
3.16
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