Institute Certified For Gasoline Engines; Use only engine oil with the American Petroleum; recommended oil can result in engine damage not- Page 273

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6-15

As shown in the chart, SAE 10W

-

30 is best for your

vehicle. However, you can use SAE 5W

-

30 if it’s going

to be colder than 60

_

F (16

_

C) before your next oil

change. When it’s very cold, you should use SAE
5W

-

30. These numbers on an oil container show its

viscosity, or thickness. Do not use other viscosity oils,
such as SAE 20W

-

50.

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.

GM Goodwrench

R

 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

-

30

synthetic oil or an SAE 0W

-

30 oil. Both will provide

easier cold starting and better protection for your engine
at extremely low temperatures.