Chevrolet 2007 Cobalt Owner's Manual page 393

Scheduled Maintenance
Service Maintenance I Maintenance II
Change engine oil and filter. See Engine Oil on page 287. Reset oil life system.
See Engine Oil Life System on page 292. An Emission Control Service.
Visually check for any leaks or damage. See footnote (j).
Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air
Cleaner/Filter on page 294. See footnote (k).
Rotate tires and check inflation pressures and wear. See Tire Inspection and
Rotation on page 345 and "Tire Wear Inspection" in At Least Once a Month
on page 398.
Inspect brake system. See footnote (a).
Check engine coolant and windshield washer fluid levels. If you have the
2.0L L4 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 (l).
Inspect throttle system. See footnote (g).
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