Jenson Button has revealed he will take a five-place grid penalty at this weekend's United States Grand Prix as the result of a gearbox change.

McLaren has been competitive in the last two races, with Button finishing fifth in Japan and fourth in Russia as the team has pulled clear of Force India in the constructors' championship. Continuing that run has been made harder, however, after Button said on Thursday that he needs a new gearbox for the race in Austin which will see him penalised after qualifying.

"I've got a gearbox change, which is a bit of a pain in the arse," Button said. "So a five-place penalty which is a pain in the arse."

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Button said he is hoping for high temperatures on Sunday as a result in order to mix up strategies, with Pirelli having supplied the medium and soft tyres for the first time.

"I think we're very good now at controlling our tyre temperatures and stuff, so [heat is] a good thing. And also it mixes it up in terms of pit stops, so that's something we need really from five places back. Even if I qualify fourth or fifth it's still tenth on the grid and you're on old tyres and the guys behind you are on new tyres so... Silly rule!"