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As in the chart shown previously, SAE 5W-30 is the
only viscosity grade recommended for your vehicle. You
should look for and use only oils which have the API
Starburst symbol and which are also identified as
SAE 5W-30.
If
you cannot find such SAE 5W-30 oils,
you can use an SAE 1OW-30 oil which has the API
Starburst symbol,
if
it’s going to be
0°F
(-18°C)
or above.
Do
not use other viscosity grade oils, such as
SAE 1OW-40 or SAE 20W-50 under any conditions.
Nofice:
Use only engine oil with the American
Petroleum Institute Certified For Gasoline Engines
starburst symbol. Failure to use the recommended
oil can result in engine damage not covered by
your warranty.
GM
Goodwrench@ oil meets all the requirements for
your vehicle.
If
you are in an area of extreme cold, where the
temperature falls below -20°F (-29”C), it is
recommended that you use either an SAE 5W-30
easier cold starting and better protection for your engine
at extremely low temperatures.
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Engine Oil Additives
Don’t
add anything to
your
oil.
The recommended
oils
with the starburst symbol are all you will need for
good
performance and engine protection.
When to Change Engine Oil
(GM
Oil
Life SystemTM)
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,
the mileage at which an oil change will be indicated can
vary considerably. For the oil life system to work
properly, you must reset the system every time the oil is
changed.
When the system has calculated that oil life has been
diminished, it will indicate that an oil change is
necessary. A CHANGE
OIL
light 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 change 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
regularly and keep it at the proper level.
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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
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5-1
9
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