Black plate (17,1)Cadillac SRX Owner Manual (GMNA-Localizing-MidEast-8087806) - 2015 -CRC 1st Edition - 5/19/14Instruments and Controls 5-17Caution (Continued)the vehicle fuel economy mightnot be as good, and the enginemight not run as smoothly. Thiscould lead to costly repairs thatmight not be covered by thevehicle warranty.{ CautionModifications made to the engine,transmission, exhaust, intake,or fuel system of the vehicle orthe replacement of the originaltires with other than those of thesame Tire Performance Criteria(TPC) can affect the vehicle'semission controls and can causethis light to come on.Modifications to these systemscould lead to costly repairs notcovered by the vehicle warranty.This could also result in a failure(Continued)Caution (Continued)to pass a required EmissionInspection/Maintenance test. SeeAccessories and Modifications onpage 10-2.This light comes on during amalfunction in one of two ways:Light Flashing: A misfire conditionhas been detected. A misfireincreases vehicle emissions andcould damage the emission controlsystem on the vehicle. Diagnosisand service might be required.To prevent more serious damage tothe vehicle:. Reduce vehicle speed.. Avoid hard accelerations.. Avoid steep uphill grades.If the light continues to flash, find asafe place to stop and park thevehicle. Turn the vehicle off, wait atleast 10 seconds, and restart theengine. If the light is still flashing,follow the previous steps and seeyour dealer for service as soon aspossible.Light On Steady: An emissioncontrol system malfunction hasbeen detected on the vehicle.Diagnosis and service might berequired.The following may correct anemission control systemmalfunction:. Check that the fuel cap is fullyinstalled. See Filling the Tank onpage 9-55. The diagnosticsystem can determine if the fuelcap 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.. Check that good quality fuel isused. Poor fuel quality causesthe engine not to run asefficiently as designed and maycause stalling after start-up,
