Black plate (45,1)Cadillac Escalade Owner Manual (GMNA-Localizing-Europe-7132796) -2014 - CRC - 7/12/13Driving and Operating 9-45FuelUse the recommended fuel forproper vehicle maintenance.Recommended FuelUse premium unleaded petrol with astated octane rating of 97 RON orhigher. Regular unleaded petrolrated 95 RON or higher can beused, but acceleration could bereduced, and an audible knockingnoise may be heard. If the octane isless than 97 RON, a heavyknocking noise may be heard. If thisoccurs, use a petrol rated at 97RON or higher as soon as possible.Otherwise, the engine could bedamaged. If heavy knocking isheard when using petrol rated at 97RON or higher, the engine needsservice.Use of Seasonal FuelsUse summer and winter fuels in theappropriate season. Driving orstarting could be affected if theincorrect fuel is used. Drive thevehicle with the engine running untilthe fuel is a half tank or less, thenrefuel with the current seasonal fuel.Prohibited FuelsPetrols containing oxygenates, suchas ethers and ethanol, as well asreformulated petrols are available insome cities. If these petrols complywith the previously describedspecification, then they areacceptable to use. However, E85(85% ethanol) and other fuelscontaining more than 15% ethanolmust be used only in flex fuelvehicles.Notice: Do not use fuelcontaining methanol. It cancorrode metal parts in the fuelsystem and also damage plasticand rubber parts. That damagewould not be covered under thevehicle warranty.Some petrols that are notreformulated for low emissions cancontain an octane-enhancingadditive calledmethylcyclopentadienyl manganesetricarbonyl (MMT). Do not usepetrols with MMT as they canreduce spark plug life and affectemission control systemperformance. The malfunctionindicator lamp may turn on. If thisoccurs, see your dealer for service.Fuel AdditivesPetrol should contain detergentadditives that help prevent engineand fuel system deposits fromforming. Clean fuel injectors andintake valves will allow the emissioncontrol system to work properly.Some petrol does not containsufficient quantities of additive tokeep fuel injectors and intake valvesclean. To make up for this lack ofdetergency, add Fuel SystemTreatment PLUS, part number88861013 to the fuel tank at everyengine oil change or every15 000 km, whichever occurs first.
