See also:

Other bulbs
Other bulbs may be difficult to replace. We recommend that you have the bulbs replaced by your SUBARU dealer if necessary. ...

If the light illuminates steadily
If the light illuminates steadily while driving or does not turn off after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by ...

Refueling in cold weather
To help prevent moisture from forming in the fuel system and the risk of its freezing, use of an antifreeze additive in the fuel tank is recommended during cold weather. Use only additives that ar ...