Engine Block Heater - If Equipped; Automatic Transmission - Jeep 2007 Grand Cherokee Series Owner's Manual

ENGINE BLOCK HEATER — IF EQUIPPED
The engine block heater warms engine coolant and per-
mits quicker starts in cold weather. Connect the cord to a
standard 110-115 volt AC electrical outlet with grounded,
three wire extension cord.
Use the heater when temperatures below 0°F (-18°C) are
expected to last for several days.
The engine block heater cord is located:
• 3.7L/4.7L Engine — coiled and strapped to the engine
oil dipstick tube.
• 5.7L Engine — bundled and fastened to the injector
harness.
WARNING!
Remember to disconnect the cord before driving.
Damage to the 110-115 volt AC electrical cord could
cause electrocution.
STARTING AND OPERATING 253

AUTOMATIC TRANSMISSION

CAUTION!
Damage to the transmission may occur if the follow-
ing precautions are not observed:
• Shift into P (Park) only after the vehicle has come
to a complete stop.
• Shift into or out of R (Reverse) only after the
vehicle has come to a complete stop and the
engine is at idle speed.
• Do not shift from R (Reverse), P (Park), or N
(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.
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