399 . . .––––Section 4NOTICEIf you use your vehicle forcompetitive driving, yourengine may use more oil than itwould with normal use. Low oillevels can damage the engine.Be sure to check the oil leveloften during competitivedriving and keep the level at ornear the upper mark that showsthe proper operating range onthe engine oil dipstick.Competitive driving may affectthe warranty coverage of thevehicle.Choosing the Right Oil QualityYour vehicle requires the use of asynthetic oil meeting GM standardGM4718M.Your vehicle was filled at thefactory with Mobil 1® synthetic oil,which meets all requirements foryour vehicle.Oil meeting this standard will alsohave the American PetroleumInstitute Starburst symbol on itscontainer.If an oil meeting GM standardGM4718M is not available, usean oil that meets the AmericanPetroleum Institute Service SMor GM-LL-A-025 servicerequirements.NOTICEFailure to use therecommended oil can result inengine damage not covered byyour warranty.Substitute oil not meeting GMStandard GM4718M should notbe used for an oil change.When you are not changing the oilbut rather adding oil to maintainthe engine oil level, oil meetingGM Standard GM 4718M may notbe available. In this case, you mayuse an SAE 5W-30 oil with the star-burst symbol on its container, as asubstitute at all temperatures.C ERTIFIED•AMERICANPETROLEUMINSTITUTE•FORGASOLINEENGINESAKENG40_CTS Page 399 Wednesday, July 23, 2008 11:47 AM
