Chevrolet 2008 Optra Owner's Manual page 308

45,000 Miles (75 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Replace passenger compartment air filter. If you drive
regularly under dusty conditions, the filter may
require replacement more often.
Inspect engine air cleaner filter. If necessary, replace
the filter. If vehicle is driven in dusty/dirty conditions,
inspect filter at every engine oil change. See
Engine Air Cleaner/Filter on page 5-16 for more
information.
Inspect drive belt(s).
48,000 Miles (80 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
51,000 Miles (85 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
6-10
54,000 Miles (90 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation
on page 5-60 for proper rotation pattern and
additional information. (See footnote +.)
57,000 Miles (95 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
60,000 Miles (100 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Replace passenger compartment air filter. If you drive
regularly under dusty conditions, the filter may
require replacement more often.
Replace engine air cleaner filter. See Engine Air
Cleaner/Filter on page 5-16 for more information.
Rotate tires. See Tire Inspection and Rotation on
page 5-60 for proper rotation pattern and additional
information. (See footnote +.)
Replace spark plugs. An Emission Control Service.
Replace spark plug wires. An Emission Control
Service.