Cadillac 2013 Caddilac CTS Owner's Manual

Contents

Cadillac 2013 Caddilac CTS Owner's Manual Manual pdf 293 page image

Black plate (49,1)Cadillac CTS/CTS-V Owner Manual - 2013 - CRC - 4/18/12Driving and Operating 9-49You might also hear audible sparkknock during acceleration. Refill thetank with premium fuel as soon aspossible to avoid damaging theengine. If heavy knocking is heardwhen using gasoline rated at91 octane or higher, the engineneeds service.Gasoline SpecificationsAt a minimum, gasoline shouldmeet ASTM specification D 4814.Some gasolines contain anoctane-enhancing additive calledmethylcyclopentadienyl manganesetricarbonyl (MMT). We recommendagainst the use of gasolinescontaining MMT. See Fuel Additiveson page 9‑49 for additionalinformation.California FuelRequirementsIf the vehicle is certified to meetCalifornia Emissions Standards, it isdesigned to operate on fuels thatmeet California specifications. Seethe underhood emission controllabel. If this fuel is not available instates adopting California EmissionsStandards, the vehicle will operatesatisfactorily on fuels meetingfederal specifications, but emissioncontrol system performance mightbe affected. The malfunctionindicator lamp could turn on and thevehicle might fail a smog‐check test.See Malfunction Indicator Lamp onpage 5‑19. If this occurs, return toyour authorized dealer for diagnosis.If it is determined that the conditionis caused by the type of fuel used,repairs might not be covered by thevehicle warranty.Fuels in ForeignCountriesNever use leaded gasoline or anyother fuel not recommended in theprevious text on fuel. Costly repairscaused by use of improper fuelwould not be covered by the vehiclewarranty.To check the fuel availability, ask anauto club, or contact a major oilcompany that does business in thecountry where you will be driving.Fuel AdditivesTo provide cleaner air, all gasolinesin the United States are nowrequired to contain additives thathelp prevent engine and fuel systemdeposits from forming, allowing theemission control system to workproperly. In most cases, nothingshould have to be added to the fuel.