This works for left, right, and backwards, but not right click or forward. Right click still does nothing if ctrl is held down. Pressing ctrl-w turns on autorun, even with nothing bound to autorun, rofl.
EDIT: Ok, I dont know what they've got going on here, but something is retarded with the ctrl key.
I unbound everything that had ctrl in it's keybind, then bound ctrl-w, ctrl-a, ctrl-s, ctrl-d to forward, left, backward, and right. I tested it, and pressing ctrl-w turns on autorun and the rest work fine.
I alt tabbed to write this reply, and then went back to the game. Now ctrl-w works fine, but ctrl-a is toggling ambience on and off.
EDIT2: You have to hold ctrl-w to turn on autorun, not just tap it. Still, I don't have ctrl-w bound to autorun, so it shouldn't turn it on.