At Each Fuel FillIt is important to perform these underhood checksat each fuel fill.Engine Oil Level CheckCheck the engine oil level and add the proper oilif necessary. See Engine Oil on page 380 forfurther details.Notice: It is important to check the engine oilregularly and keep it at the proper level.Failure to keep the engine oil at the properlevel can cause damage to the engine notcovered by your warranty.Engine Coolant Level CheckCheck the engine coolant level and addDEX-COOL® coolant mixture if necessary. SeeEngine Coolant on page 389 for further details.Intercooler Coolant Level Check(4.4L Supercharged Engine)Check the coolant level and add DEX-COOL®coolant mixture if necessary. See Engine Coolanton page 389 for further details.Windshield Washer Fluid Level CheckCheck the windshield washer fluid level inthe windshield washer fluid reservoir and add theproper fluid if necessary.At Least Once a MonthTire Inflation CheckVisually inspect your vehicle’s tires and make surethey are inflated to the correct pressures. Do notforget to check the spare tire. See Inflation - TirePressure on page 431. Check to make sure thespare tire is stored securely. See Changing a FlatTire on page 464.Tire Wear InspectionTire rotation is recommended if your vehicle hasthe same size tires at all four wheel positionsand may be required for high mileage highwaydrivers prior to the Engine Oil Life System servicenotification. Check the tires for wear and, ifnecessary, rotate the tires. See Tire Inspectionand Rotation on page 438.513