1997 Chevrolet S10 Pickup Owner's Manual - Page 262

A :50/50mixture of water and DEX-COOL@ coolant far your vehicle will: Give freezing protectiondown to -34°F (-37°C). Give boiling protectionup to-265'0F(129 "C). 0 0 0 W.hat to Use Use a mixture of one-half clean water(preferably distilled) and one-half DEX-COOL' coolant which won't damage aluminum parts. If YOU use this mixture, you don't need to add anything else. Protect against rust and corrosion. Help keep the proper engine temperature. Let the w h g lights and gages work as they should. NOTICE: When adding.coolant, It is important that you use only DEX--COOL@ (s&ate-&ee) coolant. Tf co.olantother thanDEX-COOL@is added to the system, premature. engine, heater core or radiator corrosion may result.In addition, the engine coolantwill require change sdoner at 30,000 miles (SO 000 k ) 24 months, m .or whichever occurs first. Damage caused by use the of coolant other than DEX=COOL@ not is covered by your new vehiclewarranty. -- Adding only plain water to your co ng system can be dangerous. Plain water, or some other Iiquid.likealcohol, can boil before the proper coolant mix will. Your vehicle's coolant warning system is set the proper coolant mix. With for plain water or the wrong mix, your engme could get too hot but you wouldn't get the overheat warning. Your engme c:onld catch -6reand you or others could be burned. Use a 50/50 mix of clean water and DEX=COOLQcoolant. 6-25