Jenson Button blames misunderstanding for poor finish

McLaren's Jenson Button says he finished in 13th place at the Belgian Grand Prix qualifying after confusion over how many laps he had left.

The Brit described the experience as a "shock", as he is used to challenging for the top three spots.

Red Bull's Sebastian Vettel took his ninth pole position of 2011, beating Lewis Hamilton into second place, with team-mate Mark Webber in third.

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