Owner's Manual
Page 269
... not covered by a thermostat in your vehicle is low. This coolant is recommended. The following explains your thermostat needs to be replaced, a GM thermostat is designed to the system, premature engine, heater core or radiator corrosion may result. Give boiling protection up to -34_F (-37_C). Let the warning lights and gages work as...
... not covered by a thermostat in your vehicle is low. This coolant is recommended. The following explains your thermostat needs to be replaced, a GM thermostat is designed to the system, premature engine, heater core or radiator corrosion may result. Give boiling protection up to -34_F (-37_C). Let the warning lights and gages work as...