1996 Pontiac Grand Am Owner's Manual - Page 246

NOTICE: If you use an impropercoolant mix, your engine could overheat and be badly damaged. The repair cost wouldn't be covered by your warranty. Too much water in the mix can freeze and crack the engine, radiator, heater core and other parts. If you have to add cooldnt more than four times a year, Checking Coolant have your dealer check your cooling system, I NOTICE: If you use the proper coolant, you don't have to add extra inhibitors or additives which claimto The coolant surge tank is locatedon the passenger side of the engine compartment. 0 improve the system. These can be harmful.