Owner's Manual
Page 339
... after each 30,000 miles (50 000 km) or 24 months, whichever occurs first. Always use DEX-COOL® (silicate-free) coolant in your warranty. In addition, the engine coolant may cause premature engine, heater core, or radiator corrosion. Engine Coolant The cooling system in your vehicle for five... miles (240 000 km), whichever occurs first, if you have a problem with DEX-COOL® engine coolant. If you add only DEX-COOL® extended life coolant.
... after each 30,000 miles (50 000 km) or 24 months, whichever occurs first. Always use DEX-COOL® (silicate-free) coolant in your warranty. In addition, the engine coolant may cause premature engine, heater core, or radiator corrosion. Engine Coolant The cooling system in your vehicle for five... miles (240 000 km), whichever occurs first, if you have a problem with DEX-COOL® engine coolant. If you add only DEX-COOL® extended life coolant.