I'm confused.. (demo)

[johns1337est]

I got the demo today, I didn't get too far. I'm stuck in the blizzard, found some thing which you have to break the ice and turn so you can find shelter. I found the rock, broke the ice, turned it, I heard it click (as if it was opening) but it didnt. Nothing I do will open it. I've tried restarting the game, turning it the opposite way, etc. Nothing works.