Owner's Manual
Page 313
... coolant level is not at the proper level 4.5 inches (11.4 cm) below the top of the filler neck), add a 50/50 of clean, drinkable water and DEX-COOL® coolant at the coolant surge tank, but be sure the cooling system, including the coolant surge tank pressure cap, is cool... and radiator hoses, and other than DEX-COOL® may require changing sooner, at the pressure cap or in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. See Engine Coolant on the Driver Information Center.
... coolant level is not at the proper level 4.5 inches (11.4 cm) below the top of the filler neck), add a 50/50 of clean, drinkable water and DEX-COOL® coolant at the coolant surge tank, but be sure the cooling system, including the coolant surge tank pressure cap, is cool... and radiator hoses, and other than DEX-COOL® may require changing sooner, at the pressure cap or in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. See Engine Coolant on the Driver Information Center.