Chevrolet 2009 HHR Owner's Manual page 399

Change engine oil and filter. See Engine Oil on page 5-17. 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 (j).
2.2L and 2.4L engines: Inspect engine air cleaner filter. If necessary, replace
filter. See Engine Air Cleaner/Filter on page 5-23. See footnote (k).
2.0L engine only: Inspect engine air cleaner filter. If necessary, replace filter.
See Engine Air Cleaner/Filter on page 5-23.
Rotate tires and check inflation pressures and wear. See Tire Inspection and
Rotation on page 5-67 and "Tire Wear Inspection" in At Least Once a Month on
page 6-10.
Inspect brake system. See footnote (a).
Check engine coolant and windshield washer fluid levels and add fluid as
needed.
Scheduled Maintenance
Service Maintenance I Maintenance II
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6-5