1998 Chevrolet Cavalier Owner's Manual - Page 273
1998 Chevrolet Cavalier Manual
Page 273 highlights
I I RECOMMENDED UlSCOSlTV SAE GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST SAL VISCOSITY GRADE OIL FOR THE EXPECTEDTEMPERATURERANGE. As shown in the chart,SAE 5W-30 is best for your vehicle. However, you can use SAE low-30 if it's going an to be0" F (- 18" C)or above. These numbers on oil Do container show its viscosity, or thickness. not use other viscosity oils, suchas SAE 20W-50. HOT WEATHER WOK FOR T I H S SYMBOL NOTICE: Use only engine oil with the American Petroleum Institute Certified For Gasoline Engines "Starburst" symbol. Failure use the to recommended oil can result in engine damage not covered by your warranty. GM Goodwrench@ oil meets all the requirements for your vehicle. +60--+16 +40- -+4 +20- - - 7 0---18 SAE CW-30 PREFERRED / COLD WEATHER DO NOT USE SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED If you are in an area where the temperature falls below -20°F (-29"C),consider using either an S A E 5W-30 synthetic oilor an SAE OW-30 oil. Both will provide easier cold starting and better protection your engine for at extremely low temperatures. 6-15