Intercooler Coolant Level Check(4.4L Supercharged Engine)Check the coolant level and add DEX-COOL®coolant mixture if necessary. See Engine Coolanton page 385 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 Inspection and Inflation CheckVisually inspect your vehicle’s tires for wear andmake sure they are inflated to the correctpressures. See Inflation - Tire Pressure onpage 422.At Least Once a YearStarter Switch Check{CAUTION:When you are doing this inspection, thevehicle could move suddenly. If thevehicle moves, you or others could beinjured.1. Before you start, be sure you have enoughroom around the vehicle.2. Firmly apply both the parking brake and theregular brake. See Parking Brake on page 97.Do not use the accelerator pedal, and beready to turn off the engine immediately if itstarts.3. Try to start the engine in each gear. Thevehicle should start only in PARK (P) orNEUTRAL (N). If the vehicle starts in anyother position, contact your GM Goodwrench®dealer for service.471