1997 Oldsmobile Cutlass Supreme Owner's Manual - Page 113

I If the LightIs Flashing NOTICE: If you keep driving your vehicle with this light on, after a while, your emission controls may not work as well, your fuel economy may not be as good and your engine may not runas 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 it you is working, when the ignition is on and the engine is not running. If the light doesn't come on, have it repaired. This light will also come on during a malfunction in one of two ways: The following may prevent more serious damage to your vehicle: Reducing vehicle speed. Avoiding hard accelerations. Avoiding steep uphill grades. If you are towing a trailer, reduce the .amountof cargo being hauled as soon as it is possible. If the light stops flashing and remains on steady, see "If the Light Is On Steady" following. If the light continues to flash, when it is safe to do so, stop the vehicle. Find a safe place to park your vehicle. Turn the keyoff, wait atleast 10 seconds and restartthe engine. If the light remains on steady, see "If the Light Light Flashing-- A misfire condition has been Is On Steady" following.If the light is still flashing, detected. A misfire increases vehicle emissions and follow the previous steps, and drive the vehicle to your may damage the emission control system on your retailer or qualified service center for service. vehicle. Retailer or qualified service center diagnosis and serviceis required. Light On Steady-- An emission control system malfunction has been detected on your vehicle. Retailer or qualified service center diagnosis and service maybe required. 2-56