1997 Pontiac Sunfire Owner's Manual - Page 258

RECOMMENDEDSAEVISCOSITYGRADE ~~~ ENGINE OILS HHI BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST SAE WSCORTT G R A M OIL FOR THE EXPECTED TEMPERATURE RANGE. As shown in the chart, S A E 5W-30 is best for your vehicl'e.However, you can useSAE 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 S A E 20W-50. O HOT WEATHER # ). 8 7 6 I - I - SAL 5W-30 PREFERRED / II I I LOOK FOR T I H S SYMBOL NOTICE: Use only engine oil with the American Petroleum Institute Certified For Gasoline Engines Y3tarburst" symbol. Failure touse the recommended oilcan 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 where the temperature falls below -20°F (-29"C), consider using either an SAE 5W-30 synthetic oil or an SAEi OW-30 oil. Bothwill provide your engine easier cold starting and better protection for at extremely low temperatures. SAL 1OW-30 COLD WEATHER DO NOT USE SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED 6-14