electrical system - radio quit working, reconnect battery works again 4 awhile

Hello, You likely have an issue with the body control module, though it may be called by a different name for Subaru. This module transmits information across many channels in the vehicle, and if it fails, all sorts of gremlins come out to play. An important thing to note is that the fuse for the clock radio may be out, the switch or wiring for the door may be faulty, and the vehicle could be signaling a security fault related to the key, lock cylinder, wireless controller, or Subaru specific security system controllers/sensors. You will need a professional for this repair.

You may find you have separate issues. The door ajar light will affect the security system. We recommend professional diagnosis. Kindly call if you wish to schedule a appointment.