Black plate (19,1)Cadillac SRX Owner Manual - 2011Vehicle Care 10-19Notice: Using coolant otherthan DEX-COOL ® can causepremature engine, heater core,or radiator corrosion. In addition,the engine coolant could requirechanging sooner, at 50 000 km(30,000 miles) or 24 months,whichever occurs first. Anyrepairs would not be coveredby the vehicle warranty. Alwaysuse DEX-COOL (silicate-free)coolant in the vehicle.Engine CoolantThe cooling system in the vehicleis filled with DEX-COOL ® enginecoolant. This coolant is designed toremain in the vehicle for 5 years or240 000 km (150,000 mi), whicheveroccurs first.The following explains the coolingsystem and how to check and addcoolant when it is low. If there is aproblem with engine overheating,see Engine Overheating onpage 10‑22What to Use{ WARNINGAdding only plain water or someother liquid to the cooling systemcan be dangerous. Plain waterand other liquids, can boil beforethe proper coolant mixture will.The vehicle's coolant warningsystem is set for the propercoolant mixture. With plain wateror the wrong mixture, the enginecould get too hot but you wouldnot get the overheat warning.The engine could catch fire andyou or others could be burned.Use a 50/50 mixture of clean,drinkable water and DEX-COOLcoolant.Use a 50/50 mixture of clean,drinkable water and DEX-COOLcoolant. If using this mixture,nothing else needs to be added.This mixture:. Gives freezing protection downto −37°C (−34°F), outsidetemperature.. Gives boiling protection upto 129°C (265°F), enginetemperature.. Protects against rust andcorrosion.. Will not damage aluminum parts.. Helps keep the proper enginetemperature.Notice: If an improper coolantmixture is used, the engine couldoverheat and be badly damaged.The repair cost would not becovered by the vehicle warranty.Too much water in the mixturecan freeze and crack the engine,radiator, heater core, and otherparts.
