Oldsmobile Cutlass Supreme 1993 - Engine Oil Additives; Recommended Viscosity

Whaf Kind of Oil to Use (CONT.)
SAE 5W-30
As shown in the viscosity chart, SAE
5W-30 is best for your vehicle.
However, you can use
SAE 1OW-30 if
it’s going to be
0°F (-18°C) or above.
These numbers on
an oil container
show its viscosity, or thickness. Do
not use other viscosity oils such as
SAE 1OW-40 or SAE 20W-50.
Energy Conserving I1
Oils with these words on the
container
will help you save fuel.
This doughnut-shaped logo (symbol) is
used on most oil containers to help you
select the correct oil.
You should look for this on the oil
container, and use
only those oils that
display the logo.
GM Goodwrench@ Oil (in Canada, GM
Engine Oil) meets all the requirements
for your vehicle.
Engine Oil Additives
Don’t add anything to your oil. Your
Oldsmobile dealer is ready to advise
if
you think something should be added.