Engine Coolant HeaterYour vehicle may have an engine coolant heater.In very cold weather, 0°F (−18°C) or colder,the engine coolant heater can help. You will geteasier starting and better fuel economy duringengine warm-up.Usually, the coolant heater should be plugged in aminimum of four hours prior to starting yourvehicle. At temperatures above 32°F (0°C), use ofthe coolant heater is not required. Your vehiclemay also have an internal thermostat in theplug end of the cord. This will prevent operation ofthe engine coolant heater when the temperatureis at or above 0°F (−18°C) as noted on the cord.To Use the Engine Coolant Heater1. Turn off the engine.2. Open the hood and unwrap the electricalcord. For the 3.6L V6 engines, the cord islocated in the engine compartment onthe passenger’s side of the vehicle in front ofthe fuse block.For the 4.6L V8 engine, the cord is on thefront center of the vehicle above the radiator.You must remove the plastic cap to accessthe plug.3. Plug it into a normal, grounded 110-volt ACoutlet.{CAUTION:Plugging the cord into an ungroundedoutlet could cause an electrical shock.Also, the wrong kind of extension cordcould overheat and cause a fire. Youcould be seriously injured. Plug the cordinto a properly grounded three-prong110-volt AC outlet. If the cord will notreach, use a heavy-duty three-prongextension cord rated for at least 15 amps.4. Before starting the engine, be sure to unplugand store the cord as it was before to keep itaway from moving engine parts. If you donot, it could be damaged.121
