Cadillac 2008 XLR Owner's Manual

Contents

Oils meeting theserequirements should havethe starburst symbol onthe container. This symbolindicates that the oilhas been certified by theAmerican PetroleumInstitute (API).Look for this on the oil container, and use only thoseoils that are identified as meeting GM StandardGM4718M and have the starburst symbol on the front ofthe oil container.Your vehicle’s engine is filled at the factory with aMobil 1 ® synthetic oil, which meets all requirements foryour vehicle.Substitute Engine Oil: When adding oil to maintainengine oil level, oil meeting GM Standard GM4718Mmay not be available. You can add substitute oildesignated SAE 5W-30 with the starburst symbol at alltemperatures. Substitute oil not meeting GM StandardGM4718M should not be used for an oil change.Engine Oil AdditivesDo not add anything to the oil. The recommended oilswith the starburst symbol that meet GM StandardGM4718M are all you need for good performance andengine protection.6-19