Cadillac 2011 Escalade ESC Owner's Manual

Black plate (17,1)Cadillac Escalade EXT Owner Manual - 2011Instruments and Controls 5-17An emission system malfunctionmight be corrected:. Make sure the fuel cap is fullyinstalled. See Filling the Tank onpage 9‑62. The diagnosticsystem can determine if thefuel cap has been left off orimproperly installed. A loose ormissing fuel cap allows fuel toevaporate into the atmosphere.A few driving trips with the capproperly installed should turn thelight off.. If the vehicle has been driventhrough a deep puddle of water,the vehicle's electrical systemmight be wet. The condition isusually corrected when theelectrical system dries out. A fewdriving trips should turn thelight off.. Make sure to fuel the vehiclewith quality fuel. Poor fuel qualitycauses the engine not to run asefficiently as designed and cancause: stalling after start-up,stalling when the vehicle ischanged into gear, misfiring,hesitation on acceleration,or stumbling on acceleration.These conditions might go awayonce the engine is warmed up.If one or more of theseconditions occurs, change thefuel brand used. It will require atleast one full tank of the properfuel to turn the light off.See Recommended Fuel onpage 9‑58.If none of the above have madethe light turn off, your dealer cancheck the vehicle. The dealerhas the proper test equipmentand diagnostic tools to fix anymechanical or electrical problemsthat might have developed.Emissions Inspection andMaintenance ProgramsSome state/provincial and localgovernments may have programsto inspect the on-vehicle emissioncontrol equipment. For theinspection, the emission systemtest equipment is connected to thevehicle’s Data LinkConnector (DLC).The DLC is under the instrumentpanel to the left of the steeringwheel. See your dealer if assistanceis needed.