freightliner 108SD, Driver Manual

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Engine Idle Limiting
Idle Shutdown Timer
This feature is an optional 1- to 100-minute idle shut-
down system. Its purpose is to conserve fuel by
eliminating excessive idling and allowing a turbo-
charger cool-down period. Idle shutdown timing and
parameters are programmable. See the engine
manufacturer’s operation manual for specific details
for your vehicle.
California Engine Idle Limiting
In order to meet the California Air Resources Board
(CARB) engine idle limiting standard, an engine idle
shutdown feature has been included in engine con-
trol strategy. When the CARB engine idle limiting fea-
ture is enabled, the engine will
generally shut down
after five minutes of continuous idling when the
transmission is in neutral or park and the parking
brake is set. It will also shut down after fifteen min-
utes when the transmission is in neutral or park, with
the parking brake off. See the engine manufacturer’s
operation manual for specific details for your vehicle.
After an automatic shutdown, the engine may be re-
started and operated normally.
Activating or momentarily changing the position of
the brake pedal, clutch pedal, accelerator pedal,
stop-engine override switch, or parking brake during
the final thirty seconds will cause the shutdown timer
to reset, and will prevent the engine from shutting
down.
The automatic shutdown feature is required on all
California-certified engines (with the exception of en-
gines used in specific vehicle types that the state of
California has determined to be exempt from the re-
quirement). Owners that wish to have the shutdown
feature disabled on vehicles operating in California
should consult with California authorities to determine
if their vehicle qualifies for the exemption.
The automatic shutdown feature is generally disabled
on engines certified by the U.S. EPA for use outside
of California.
Cruise Control
WARNING
Do not use the cruise control system when driv-
ing conditions do not permit maintaining a con-
stant speed, such as in heavy traffic or on roads
that are winding, icy, snow-covered, slippery, or
roads with a loose driving surface. Failure to fol-
low this precaution could cause a collision or
loss of vehicle control, possibly resulting in per-
sonal injury or property damage.
NOTICE
When the cruise control is engaged, do not at-
tempt to shift gears without using the clutch
pedal. Failure to follow this precaution will result
in a temporarily uncontrolled increase in engine
speed. Transmission damage and gear stripping
could result.
Cruise control is activated by two dash-mounted
switches (
Fig. 10.3 ).
•
On/Off Switch—this two-position rocker is la-
beled SPD CNTL on the lower half of the
switch. When cruise control is on, an amber
light illuminates the top part of the switch.
•
Set/Resume Switch—this three-position paddle
switch is labeled RES/ACC above the paddle
and SET/CST below the paddle.
1. To cruise at a particular speed:
1.1
Press the upper half of the On/Off switch.
1.2 Hold the accelerator pedal down until the
speedometer reaches the desired speed.
1.3 Momentarily lower the paddle of the Set/
Resume switch to SET/CST.
2. To disengage the cruise control:
2.1 Depress the brake pedal (on an automatic
or manual transmission)
or
Depress the clutch pedal (on a manual
transmission only).
2.2
Press the lower half of the On/Off switch.
3. To resume a preselected cruise speed:
3.1 Ensure the On/Off switch is on.
Optional Engine Systems
10.2