Cadillac 2003 Seville Owner's Manual page 356

Footnotes
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The U S . Environmental Protection Agency nr the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle's useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
+
A good time to check your brakes is during tire
rotation. See Brake System Inspection on page 6- 14.
Engine Oil Scheduled Maintenance
Change engine oil and filter as indicated by the GM
Oil Life SystemTM (or every 12 months, whichever
occurs first). Reset the system.
Your vehicle has a computer system that lets you know
when to change the engine oil and filter. This is
based on engine revolutions and engine temperature,
and not on mileage. Based on driving conditions,
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vary considerably. For the oil life system to work
properly, you must reset the system every time the oil is
changed.
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When the system has calculated that oil life has been
diminished, it will indicate that an oil change is
necessary. A Ci-iAiiGE EiiiGiidE
OIL
message in the
Driver Information Center (DIC) will come on. Change
your oil as soon as possible within the next two
times you stop for fuel. It is possible that, if you are
driving under the best conditions, the oil life system may
not indicate that an oil changed 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. it
is
also important to check your oil
regularly and keep it at the proper level.
If the system is ever reset accidentally, you must
change your oil at 3,000 miles, (5 000 km) since your
last oil change. Remember to reset the oil life system
whenever the oil is changed. See Engine Oil on
page 5-15 for information on resetting the system.
After the services are performed, record the date,
odometer reading and who performed the service on the
maintenance record pages in Part E of this schedule.
An Emission Control Service.
6-5