Black plate (56,1)Cadillac SRX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-7707476) - 2015 - crc - 4/8/149-56 Driving and OperatingFuelUse of the recommended fuel is animportant part of the propermaintenance of this vehicle. Whendriving in the U.S. and Canada, tohelp keep the engine clean andmaintain optimum vehicleperformance, we recommend usingTOP TIER Detergent Gasolines.See www.toptiergas.com for a list ofTOP TIER Detergent Gasolines.Use regular unleaded gasolinemeeting ASTM specification D4814with a posted octane rating of 87 orhigher. Do not use gasoline with anoctane rating below 87, as it maycause engine damage and will lowerfuel economy.Use of Seasonal FuelsUse summer and winter fuels in theappropriate season. The fuelsindustry automatically modifies thefuel for the appropriate season.If fuel is left in the vehicle tank forlong periods of time, driving orstarting could be affected. Drive thevehicle until the fuel is at one-halftank or less, then refuel with thecurrent seasonal fuel.Prohibited FuelsGasolines containing oxygenatessuch as ethers and ethanol, as wellas reformulated gasolines, areavailable in some cities. If thesegasolines comply with thepreviously described specification,then they are acceptable to use.However, E85 (85% ethanol) andother fuels containing more than15% ethanol must be used only inFlexFuel vehicles.{ CautionDo not use fuel containingmethanol. It can corrode metalparts in the fuel system and alsodamage plastic and rubber parts.That damage would not becovered under the vehiclewarranty.Some gasolines, mainly high octaneracing gasolines, can contain anoctane-enhancing additive calledmethylcyclopentadienyl manganesetricarbonyl (MMT). Do not usegasolines and/or fuel additives withMMT as they can reduce spark pluglife and affect emission controlsystem performance. Themalfunction indicator lamp may turnon. If this occurs, see your dealerfor service.InformationProvidedby: