1995 Chevrolet S10 Pickup Owner's Manual - Page 239

NOTICE: If you usean improper coolant mix, your engine couldoverheat 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 otherparts. Some conditions, such as air trapped in the cooling system, can affect the coolant level in the radiator. Check the coolant level when theengine is cold and follow the steps under "Adding Coolant"for the proper way to add coolant. If you have to add coolant more than four times a year, have your dealer check your cooling system. NOTICE: If you use the proper coolant, you don't have to add extra inhibitors or additives which claim to improve system. These the can be harmful. Adding Coolant E I 6-22