Cadillac 2006 STS - Manual (Page 435)

Scheduled Maintenance
Service Maintenance I Maintenance II
Change engine oil and filter. See Engine Oil on page 5-18. Reset oil life system.
See Engine Oil Life System on page 5-24. An Emission Control Service.
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Visually check for any leaks or damage. See footnote (k).
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Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air
Cleaner/Filter on page 5-25. See footnote (m).
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Check tires for inflation pressures and wear. See Tires on page 5-57. If tire
rotation is recommended for your vehicle, rotate tires. See Tire Inspection and
Rotation on page 5-70 and “Tire Wear Inspection” in At Least Once a Month on
page 6-9.
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Inspect brake system. See footnote (a).
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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.
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Perform any needed additional services. See “Additional Required Services” in
this section.
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Inspect suspension and steering components. See footnote (b).
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Inspect engine cooling system. See footnote (c).
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Inspect wiper blades. See footnote (d).
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Inspect restraint system components. See footnote (e).
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Lubricate body components. See footnote (f).
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Check transmission fluid level and add fluid as needed.
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Replace passenger compartment air filter. See footnote (g).
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