1997 Oldsmobile Cutlass Supreme Owner's Manual - Page 112

Low Coolant Warning Light This light comes on briefly when you turn your ignition on. Malfunction Indicator Lamp (Check Engine Light) Your Oldsmobile is equipped with a computer which monitors operation of the fuel, ignition and emission control systems. m \ J CHECK If this light comes on and stays on and you hear a chime, off the road and the vehicle should promptly be pulled This system is called OBD I1 (On-Board the coolantlevel checked. Diagnostics-Second Generation) and is intended to assure that emissions are at acceptable levels for See "Engine Coolant"in the Index.If there are visible the lifeof the vehicle, helping to produce a cleaner signs of steam, see "Engine Overheating" in the Index before opening the hood. Have your vehicle serviced as environment. TheCHECK ENGINE light comeson to indicate that there is a problem and service is require soon as you can. Malfunctions often will be indicated by the system before any problem is apparent. This may prevent more serious damage to your vehicle. This system is also designed to assist your service technician in correctly diagnosing any malfunction.