See also:

Cooling fan, hose and connections
Your vehicle employs an electric cooling fan which is thermostatically controlled to operate when the engine coolant reaches a specific temperature. If the radiator cooling fan does not operate ...

Engine overheating
Never attempt to remove the radiator cap until the engine has been shut off and has fully cooled down. When the engine is hot, the coolant is under pressure. Removing the cap while the engine is ...

To enter the passive mode
If you wish to program the passive arming mode, have it done by your SUBARU dealer. ...