1994 Pontiac Grand Am Owner's Manual - Page 182
1994 Pontiac Grand Am Manual
Page 182 highlights
If you cannot find oils with the new "starburst" symbol on the front the of container, you should look for and use oils containing the following three things: 0 0 SAE 5W-30 e Energy Conserving I1 Oils with these words on the container will help you save fuel. NOTICE: If you use.oils that do not have either the "starburst" symbol or an API SH or SG designation, you can cause engine damage not covered by your warranty. SHorSG "SH" or "SG" must be on the oil container, either by itself or combined with other quality designations, such as "SH/CD," "SH,SG,CD," "SG/CD," etc. These letters show American Petroleum Institute (API) levels of quality. These three things are usually included in a doughnut shaped logo (symbol) on most containers. If you cannot find oils with the "starburst" symbol, you should look for oils with the doughnut shaped symbol, GM Goodwrench@oil (in Canada, GM Engine Oil) meets all the requirements for containing the three things noted above. your vehicle. 181 ...