1994 Buick Century Owner's Manual - Page 226
1994 Buick Century Manual
Page 226 highlights
Adding Coolant NOTICE: If you use an improper coolant mix, your engine could overheat and badly damaged. The be 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. The coolant recovery tank is located on the passenger's side of the enginecompartment. 224
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