2007 Cadillac STS Owner's Manual - Page 507

Scheduled Maintenance Service Change engine oil and filter. See Engine Oil on page 380. Reset oil life system. See Engine Oil Life System on page 383. An Emission Control Service. Visually check for any leaks or damage. See footnote (k). Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air Cleaner/Filter on page 386. See footnote (m). Check tires for inflation pressures and wear. See Tires on page 421. If tire rotation is recommended for your vehicle, rotate tires. See Tire Inspection and Rotation on page 438 and "Tire Wear Inspection" in At Least Once a Month on page 513. Inspect brake system. See footnote (a). Check engine coolant and windshield washer fluid levels. If you have the 4.4L V8 supercharged engine, check intercooler fluid level. 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). Replace passenger compartment air filter. See footnote (g Maintenance I • • Maintenance II 507