Dodge 2012 Ram Diesel - Manual (Page 55)

The exhaust brake feature can also be used to reduce the
engine warm up time. To use the exhaust brake as a
warm-up device, the vehicle must be stopped or moving
less than 5 mph (8 km/h), the exhaust brake switch must
be in the ON position, and the coolant temperature must
be below 180°F (82°C) and ambient temperature below
60°F (16°C).
AUTOMATIC TRANSMISSION — IF EQUIPPED
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.
(Continued)
CAUTION! (Continued)
• 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 between PARK, REVERSE, NEU-
TRAL, or DRIVE into any forward gear when the
engine is above idle speed.
• Before shifting into any gear, make sure your foot
is firmly pressing on the brake pedal.
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