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What kind of engine oil to use – Oldsmobile 2002 Silhouette User Manual

Page 355

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What Kind of Engine Oil to Use

Oils recommended for your vehicle can be identified by
looking for the starburst symbol.

This symbol indicates that the oil has been certified by
the American Petroleum Institute (API). Do not use any
oil which does not carry this starburst symbol.

If you change your own oil,
be sure you use oil that
has the starburst symbol
on the front of the oil
container. If you have
your oil changed for you,
be sure the oil put into
your engine is American
Petroleum Institute certified
for gasoline engines.

You should also use the proper viscosity oil for your
vehicle, as shown in the following chart: