2007 Chevrolet Impala Owner's Manual - Page 412

Scheduled Maintenance (cont'd) Service Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air Cleaner/Filter on page 318. See footnote (m). Rotate tires and check inflation pressures and wear. See Tire Inspection and Rotation on page 368 and "Tire Wear Inspection" in At Least Once a Month on page 417. Inspect brake system. See footnote (a). Check engine coolant and windshield washer fluid levels and add fluid as needed. Perform any needed additional services. See "Additional Required Services" in this section. Inspect suspension and steering components. See footnote (b). Inspect engine cooling system. See footnote (c). Inspect wiper blades. See footnote (d). Inspect restraint system components. See footnote (e). Lubricate body components. See footnote (f). Check transaxle fluid level and add fluid as needed. Replace passenger compartment air filter, if equipped. See footnote (g). Inspect throttle system. See footnote (j Maintenance I Maintenance II 412