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Scheduled Maintenance
When the CHG OIL message in the message center
comes on, it means that service is required for
your vehicle. See Change Engine Oil Message on
page 3-45. Have your vehicle serviced as soon
as possible within the next 600 miles (1 000 km). It is
possible that, if you are driving under the best
conditions, the engine oil life system may not indicate
that vehicle service is necessary for over a year.
However, your engine oil and filter must be changed at
least once a year and at this time the system must
be reset. Your Saturn retailer has Saturn-trained service
technicians who will perform this work using genuine
Saturn parts and reset the system.
If the engine oil life system is ever reset accidentally,
you must service your vehicle within 3,000 miles
(5 000 km) since your last service. Remember to reset
the oil life system whenever the oil is changed. See
Engine Oil Life System on page 5-20 for information on
the Engine Oil Life System and resetting the system.
When the CHG OIL message appears, certain
services, checks, and inspections are required.
Required services are described in the following for
“Maintenance I” and “Maintenance II.” Generally, it is
recommended that your first service be Maintenance I,
your second service be Maintenance II, and that you
alternate Maintenance I and Maintenance II thereafter.
However, in some cases, Maintenance II may be
required more often.
Maintenance I — Use Maintenance I if the CHG OIL
message comes on within 10 months since the
vehicle was purchased or Maintenance II was
performed.
Maintenance II — Use Maintenance II if the previous
service performed was Maintenance I. Always use
Maintenance II whenever the message comes on
10 months or more since the last service or if the
message has not come on at all for one year.
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