1994 Cadillac Fleetwood Owner's Manual - Page 272

0 SH or SG "SH"or "SG"must be on theoil container, either by itself or combined with other quality designations, such as"SWCD," "SH,SG,CD," etc. These letters show American Petroleum Institute ( M I ) levels of quality. S A E 5W-30 Energy Conserving I1 0 0 Oils with these words on the container will help you save fuel. These three things are usually included in a doughnut shaped logo (symbol) on most containers. If you cannot find oils with "starburst" the symbol, youshould look for oils withthe doughnut shaped symbol, containing the threethings noted above. I NOTICE: If you use oils that do not have either the "starburst" symbol or an API SH designation, you can cause engine damage not covered by your warranty. GM Goodwrench@oil (in Canada, GM Engine Oil) meets all the requirements for your vehicle. 259