2007 Jeep Grand Cherokee Owner's Manual - Page 253
2007 Jeep Grand Cherokee Manual
Page 253 highlights
STARTING AND OPERATING 253 ENGINE BLOCK HEATER - IF EQUIPPED The engine block heater warms engine coolant and permits 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. AUTOMATIC TRANSMISSION CAUTION! Damage to the transmission may occur if the following 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. 5 WARNING! Remember to disconnect the cord before driving. Damage to the 110-115 volt AC electrical cord could cause electrocution.