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NOTE: For optimum braking power it is recommended
to use the Exhaust Brake while in Tow/Haul Mode.
The purpose of the exhaust brake (engine braking) fea-
ture is to supply negative (braking) torque to the engine.
Typically, the engine braking is used for, but not limited
to, vehicle towing applications where vehicle braking can
be achieved by the internal engine power, thereby spar-
ing the mechanical brakes of the vehicle.
Benefits of the exhaust brake are:
•
vehicle driving control
•
reduced brake fade
•
longer brake life
•
faster cab warm-up.
AUTOMATIC TRANSMISSION
CAUTION!
Damage to the transmission may occur if the follow-
ing precautions are not observed:
•
Shift into PARK only after the vehicle has come to
a complete stop.
•
Shift into or out of REVERSE only after the
vehicle has come to a complete stop and the
engine is at idle speed.
•
Do not shift from REVERSE, PARK, or NEUTRAL
into any forward gear when the engine is above
idle speed.
•
Before shifting into any gear, make sure your foot
is firmly on the brake pedal.
266 STARTING AND OPERATING