1998 Pontiac Grand Am Owner's Manual - Page 123
1998 Pontiac Grand Am Manual
Page 123 highlights
Low Coolant Warning Light If this light comes on and stays on, the vehicle should off be promptly pulled the road and the coolant level checked. See "Engine Coolant" in the Index. If there are visible signs steam see "Engine of Overheating''in the Index before opening the hood. as Have your vehicle serviced as soonyou can. Malfunction IndicatorLamp (Check Engine Light) Your vehicle is equipped with a computer which monitors operation the of fuel, ignition and emission control systems. CHECK This system is called OBD 1 (On-Board 1 Diagnostics-Second Generation) and intended to is assure that emissions are at acceptable levels life for the of the vehicle, helping produce a cleaner to environment. TheCHECK ENGINE light comeson to and indicate that there is a problem service is required. Malfunctions often will be indicated the system by is before any problem apparent. This may prevent more serious damage your vehicle. This system is also to in designed to assist your service techniciancorrectly diagnosing any malfunction. 2-62