He said they're not treating him right. It's a rumour but eh.. He is not at the level that a driver in a top team should be. Even Alonso in the renault has more points than him.
Steffano Dominicali said at the end of the race that Kimi's car had a problem in the steering, may be the reason why he was stretching his hands. I don't know if this is true or just an excuse to his poor performance.