Owner's Manual
Page 268
... cooled down to -33°F (-36°C). Never mix different kinds of 50% soft water and 50% ethylene-glycol basis coolant. If the fuse is thermostatically controlled to operate when the engine coolant reaches a specific temperature. Check the fuse and replace it if necessary. D Do not splash the engine coolant over... has been filled at the factory with a high quality, corrosion-inhibiting, year-around coolant which is not blown, have the cooling system checked by your SUBARU dealer. For adding, use genuine SUBARU coolant or an equivalent: a mixture of coolant.
... cooled down to -33°F (-36°C). Never mix different kinds of 50% soft water and 50% ethylene-glycol basis coolant. If the fuse is thermostatically controlled to operate when the engine coolant reaches a specific temperature. Check the fuse and replace it if necessary. D Do not splash the engine coolant over... has been filled at the factory with a high quality, corrosion-inhibiting, year-around coolant which is not blown, have the cooling system checked by your SUBARU dealer. For adding, use genuine SUBARU coolant or an equivalent: a mixture of coolant.