I have a GX470. I heard a little motor in the back of my car running twice today. Then when I got home , we took my son's hockey bag out, and the door won't shut. The lock is stuck. I've tried disconnecting the battery, but that didn't work. All I did was remove the cables from the posts. After reattaching the cables to the battery, I just tried unlocking the doors. It didn't work. I can't lock the doors because of that one that is keeping the door open. Is there anything I can do to release the lock so that I can shut the door?