"I haven't got a clue what to do at the moment and every time we have good ideas we don't seem to make any progress," Button said.
"I love driving an F1 car so I am confident every time I jump in and then after two laps there is no grip anywhere.
"Out of the front pack I was the slowest by a long way, and I am not two seconds a lap slower than Lewis [Hamilton]."
"It's not the tyres, it's definitely not a tyre issue. I'm the only person who can't drive the tyres? No, it is impossible."
"I have massive degradation and I stopped before most runners and I was on the prime tyre. Obviously the car with a certain set-up is very quick but what I was driving was not a winning car.
"It's been the same for the last couple of races and I don't know why because it is normally something I am pretty good at. I'm driving round 1.5 seconds slower than the leaders and one is my team-mate but I can't go any quicker."
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