Cadillac 2012 CTS Owner's Manual

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Black plate (12,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 201210-12 Vehicle CareNotice: Failure to use therecommended engine oil orequivalent can result in enginedamage not covered by thevehicle warranty. Check with yourdealer or service provider onwhether the oil is approved to thedexos1 specification.Viscosity GradeSAE 5W‐30 is the best viscositygrade for the vehicle. Do not useother viscosity grade oils such asSAE 10W‐30, 10W‐40, or 20W‐50.If in an area of extreme cold, wherethe temperature falls below −20°F(−29°C), an SAE 0W‐30 oil shouldbe used. An oil of this viscositygrade will provide easier coldstarting for the engine at extremelylow temperatures. When selectingan oil of the appropriate viscositygrade, always select an oil thatmeets the dexos1 specification orequivalent. See “Specification” formore information.Engine Oil Additives/EngineOil FlushesDo not add anything to the oil. Therecommended oils with the dexosspecification and displaying thedexos certification mark are all thatis needed for good performance andengine protection.Engine oil system flushes are notrecommended and could causeengine damage not covered by thevehicle warranty.What to Do with Used OilUsed engine oil contains certainelements that can be unhealthy foryour skin and could even causecancer. Do not let used oil stay onyour skin for very long. Clean yourskin and nails with soap and water,or a good hand cleaner. Wash orproperly dispose of clothing or ragscontaining used engine oil. See themanufacturer's warnings about theuse and disposal of oil products.Used oil can be a threat to theenvironment. If you change yourown oil, be sure to drain all the oilfrom the filter before disposal. Neverdispose of oil by putting it in thetrash or pouring it on the ground,into sewers, or into streams orbodies of water. Recycle it by takingit to a place that collects used oil.Engine Oil Life SystemWhen to Change Engine OilThis vehicle has a computer systemthat indicates when to change theengine oil and filter. This is basedon a combination of factors whichinclude engine revolutions, enginetemperature, and miles driven.Based on driving conditions, themileage at which an oil change isindicated can vary considerably. Forthe oil life system to work properly,the system must be reset every timethe oil is changed.