1995 Pontiac Grand Prix Owner's Manual - Page 226

RECOMMENOED SAE VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT THE L O W E i SAE VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE. As shown in thechart, SAE 5W-30 is bestfor your vehicle. However, you can useSAE 1OW-30 if it's going to be 0°F (- 18 O C) or above. These numbers on anoil container show its viscosity, or thickness. Do not use other viscosity oils, such as SAE 20W-50. ~~ ~ HOT WEATHER \ LOOK FOR T I H S SYMBOL NOTICE: Use only engineoil with the American Petroleum Institute Certified For Gasoline Engines "Starburst" symbol. Failure to use the proper oil can result in engine damage not coveredyour by warranty. GM Goodwrench@ oil (in Canada, Engine Oil) GM meets all the requirementsfor your vehicle. "F +loo+BO- "C + 38 + 27 + 16 +fa -7 \ + 60 +40- + 20 0- - la S l t ad-30 PREFERRED d I h4 SAE 1OW-30 Engine Oil Additives Don't add anything to youroil. Your Pontiac dealer is ready to advise if you think something should added. be COLD WEATHER DO NOT USE SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED 6-13