1996 Cadillac Seville Owner's Manual - Page 131

NOTICE: If you keepdriving your vehicle with this light on, after awhile, your emission controls may not work as well, your fuel economy may not be as good and yourengine may not run as smoothly. This could lead to costly repairs that may not be covered by your warranty. This light should come on,as a check to show you it is working, when the ignition is on and engine is not the running. If the light doesn'tcome on,have it repaired. This light will also come on during malfunction in one a of two ways: 0 Light Flashing -- A misfire condition has been detected. A misfire increases vehicle emissions and may damage theemission control system on your vehicle. Dealer or qualified service center diagnosis and service is required. If the Light Is Flashing The following may prevent more serious damage to your vehicle: 0 Reduce vehicle speed. 0 Avoid hard accelerations. Avoid steep uphill grades. If towing a trailer, reduce the amount of cargo being hauled as soon as it is possible. If the light stops flashing and remains steady, see on "If the Light Is On Steady" following. If the light continues to flash, when it is safe to do so, stop the vehicle. Put your vehicle inPARK (P). Turn the key off, wait at least 10 seconds and restart the engine. If the light remains on steady,see "If the Light Is On Steady" following. If the light is still flashing follow the previous steps, and drive the vehicle to your dealer or qualified service centerfor service. Light On Steady -- An emission control system malfunction has been detected on your vehicle. Dealer or qualified service center diagnosis and service may be required. 2-72