2005 Dodge Durango Owner's Manual - Page 220

220 STARTING AND OPERATING WARNING! Never pour fuel or other flammable liquid into the throttle body air inlet opening in an attempt to start the vehicle. This could result in flash fire causing serious personal injury. After Starting The idle speed is automatically controlled on fuel injected engines and will decrease as the engine warms up. WARNING! Do not leave children or animals inside parked vehicles in hot weather. Interior heat build up may cause serious injury or death. 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 a grounded, three wire extension cord. The 3.7L/4.7L engine block heater cord is located at the front of the engine compartment near the radiator cap. The 5.7L engine block heater cord is located on the left side of the engine compartment and rearward of the power distribution center. CAUTION! Long periods of engine idling can cause excessive exhaust temperatures which can damage your vehicle. Do not leave your vehicle unattended with the engine running.