Chevrolet 2000 Cavalier Owner's Manual page 261

As shown in the chart, SAE 5W
vehicle. However, you can use SAE 10W
_ _
-
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 20W
NOTICE:
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.
R
GM Goodwrench oil meets all the requirements for
your vehicle.
If you are in an area where the temperature falls below
_ _
- -
20 F ( 29 C), consider using either an SAE 5W
synthetic oil or an SAE 0W
easier cold starting and better protection for your engine
at extremely low temperatures.
-
30 is best for your
-
30 if it's
-
50.
-
30
-
30 oil. Both will provide
6-15