See also:

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 ...

Electronic Brake Force Distribution (EBD) system warning
The brake system warning light also illuminates if a malfunction occurs in the EBD system. In that event, it illuminates together with the ABS warning light. The EBD system may be malfunctioning if t ...

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