freightliner cascadia Driver Manual page 119

1.3 Start the engine and let it idle.
1.4 Put the transmission in neutral.
1.5 Turn on the cruise control.
The OPT IDLE lamp will blink, indicating
that Optimized Idle is active. The system
is now in engine mode and after an initial
phase, in which the idle speeds up to
1000 rpm, the engine will stop and start
automatically to keep the battery charged
and the engine oil warm.
IMPORTANT: The cruise control must be
turned on once the engine is idling. If it was
previously turned on, turn the cruise control
off, then turn it on again.
2. Activate thermostat mode, if equipped.
NOTE: When the system is in thermostat
mode, it is also in engine mode. It will con-
tinue to operate in engine mode even if ther-
mostat mode is turned off.
2.1 With the system in engine mode, set the
cab and sleeper heater or air conditioner
controls to the highest setting.
2.2
Turn on the thermostat by touching any of
the four buttons. See
The display will flash the current sleeper
temperature and the previous mode (cool-
ing or heating) selected. If the cab needs
to be cooled or heated, the cool/heat icon
will flash.
2.3 Choose either cool or heat by pressing the
Cool/Heat button. Make sure the selection
matches that of the cab controls.
IMPORTANT: If the heat or cool selection of
the thermostat does not match that of the
cab controls, the system will idle and cycle
excessively.
2.4 Select Fahrenheit or Celsius by pressing
and holding the MODE button until either
the "F" or "C" is displayed.
2.5 Select the temperature set point by press-
ing the up or down arrows, as applicable.
Holding the button will cause the display
Fig. 11.4.
Optional Engine Systems
to scroll up or down rapidly. When the de-
sired set point is displayed, release the
button. The set point is stored in memory.
2.6
Select the temperature comfort zone by
pressing the MODE button until the upper
and lower temperature limit icon is dis-
played. Then use the up or down arrow to
select one of the three comfort zones: 4°F
(2°C), 7°F (4°C), or 10°F (6°C).
3. To deactivate thermostat mode and return to just
engine mode, press and hold the MODE button
for three seconds.
4. To shut down Optimized Idle completely, either
turn off the ignition or use the drive away feature.
The drive away feature allows the use of all the
engine features. Use the drive away feature as
follows:
4.1 If the engine is running: Release the park-
ing brakes or put the transmission in gear.
If the engine is not running: Start the en-
gine. Release the parking brakes or put
the transmission into gear.
4.2 Let the engine return to base idle. The
active light will turn off. Optimized Idle is
now disabled.
11.4