Medium Duty Operator's Manual - Peterbilt Motors Company

STARTING AND OPERATING THE VEHICLE
Engaging the Cruise Control
NOTE: Ensure that the vehicle speed is above
the minimum cruise control speed and the
engine speed is above 1100 rpm.
1. Move the ON/OFF switch to the ON position.
NOTE: Toggling the SET/RESUME switch to the
RESUME position at this point will select the previously
set cruise speed.
2. Accelerate the vehicle to the desired cruise speed.
3. Toggle the SET/RESUME switch lever to the SET
position to set the cruise speed. This toggle switch
has additional functions that are set by the manufacturer.
The two functions are:
• To decrease the cruise set speed, hold the SET/
RESUME switch in the RESUME position and coast
to a lower speed.
• To increase the cruise set speed, hold the SET/
RESUME switch in the SET position; this will accelerate
the vehicle to a higher speed.
Disengaging the Cruise Control
Do one of these steps to disengage the cruise control:
• Move the ON/OFF switch to the OFF position.
or
• Depress the brake pedal.
or
• Depress the clutch pedal.
Reengaging the Cruise Control
1. Move the ON/OFF switch to the ON position.
or
2. Toggle the SET/RESUME lever to the RESUME position.
Medium Duty (R05/09) Y53-6008A – 95 –