Romain Grosjean: 'I switched the brain off'

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MARINA BAY, Singapore -- Romain Grosjean said frustration led to his accident during qualifying for the Singapore Grand Prix, admitting he has been baffled by his lack of pace this weekend.

Grosjean crashed during second practice on Friday and again during qualifying on Saturday after struggling with the balance of his Haas. In qualifying, Grosjean lost the rear of his car under braking for Turn 10 and later admitted it was partly borne out of frustration about the gap to teammate Esteban Gutierrez.

"Esteban is pretty happy with his car to be fair," he said. "I was more than 1sec away from him and then we started qualifying, I did my first lap which I thought was quite a decent lap and then I checked and I was 1.2s away.

"So I said 'f--- it', I switched off the brain and I go for 200%. It was going for as long as it could but eventually I just braked, lost the rear and that was it. Honestly, I don't understand what is going on this weekend."

Grosjean said his confidence in the behaviour of the car had taken a big hit this weekend.

"My confidence is s---! Close to zero... when you spin once at high-speed and the second time you spin under braking, how do you gain confidence?

"We are looking at data to see what we can do, checking the car after the crash to see the damage and then in the race hopefully the first few laps are good and I can build from there. Clearly I won't attack the first few laps.

"The first few laps are always slower than normal but I hope the feeling will come back and I can drive the car as I would. Right now I am just looking at data and thinking 'OK braking 15m later, just go for 15m' but it isn't like my body is telling me 'that's the braking point, that's the minimum you should carry', it is almost like I need help in every corner. There is no corner where I am fast."