Originally Posted by Biznatch231
Could be they wired the dome light to one of the door switches. This will cause the light to turn on, but also appear like the doors are open.
On Subarus the dome light supervision and the door trigger is one and the same.
I have a 5901 and it works perfectly..take it back to the installer and let them deal with it. You didnt pay them $85/hour so you could troubleshoot something they screwed up..