Medium Duty Operator's Manual - Peterbilt Motors Company

DASH- AND DOOR-MOUNTED FEATURES
cruise set speed by using the service brake pedal. The
system will not allow cruise control operation if it does not
pass the ‘rationality check’. The Driver Information Display
will prompt you to press the service brake pedal if it has
not been pressed since the vehicle has been started.
Regeneration Switch
START
CONTROLS AND DISPLAY
START
In order to meet 2007 EPA engine emission requirements,
vehicles will have a either a two or three position switch to
help control and maintain the exhaust Diesel Particulate
Filter. Please refer to “Exhaust After-Treatment System”
on page 128 for more information about the emission control
system and how it affects normal operating procedures.
START
Depressing the button in the START direction for 4 to 8
seconds will initiate a parked regeneration. Be sure to
release the button to ensure that the system will begin the
regerenation cycle.
Two Position
CENTER (three position switch only)
STOP
Three Position
Center is the normal position of the switch.
The center position will allow an automatic regeneration
to occur.
STOP (three position switch only)
When STOP is pressed the system will not regenerate
under any conditions.
– 54 – Y53-6008A Medium Duty (R05/09)