Check Security Indicator Light Circuit
WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.
For operation procedures, refer to the "SECURITY INDICATOR LIGHT CIRCUIT" of "IMMOBILIZER (DIAGNOSTICS)". Refer to CHECK SECURITY INDICATOR LIGHT CIRCUIT , INSPECTION, Diagnostics Chart for Security Indicator Light.