2009 Cadillac STS-V Owner's Manual - Page 467

When the CHANGE ENGINE OIL SOON message appears, the following services, checks, and inspections are required: ❑ Change engine oil and filter. See Engine Oil on page 5-18. Reset oil life system. See Engine Oil Life System on page 5-21. 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 5-23. See footnote (m). ❑ Check tires for inflation pressures and wear. See Tires on page 5-54. If tire rotation is recommended for the vehicle, rotate tires. See Tire Inspection and Rotation on page 5-71 and "Tire Wear Inspection" in At Least Once a Month on page 6-11. ❑ Inspect brake system. See footnote (a). ❑ Check engine coolant and windshield washer fluid levels. If the vehicle has 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). 6-5