This is a long story. I'll cut it short: It was a late, late, night, my parents were out, and my siblings were asleep, i have a door that goes into my garage, that faces my corridor. I was standing in the corridor in the pitch black, and suddenly the door swung open, my dad's carlight suddenly turned on and turned off, and as suddenly as it all happened, the door slammed shut again. When i went to see what it was, the garage was just like it normally was, dark and gloomy, with no lights :P
I still don't know how it happened, wtf happened, but it certainly made me think that there may have been paranormal forces, it's hard to tell when scary things like this happen.