McLaren are still too far off the front guys and there are probably three teams that are too quick for them, Jenson Button has said following practice on Friday for the 2014 F1 British Grand Prix.

Button was seventh quickest in both sessions at Silverstone, but his best time in FP2, a 1 minute 36.228 seconds, left him a couple of tenths off the Williams of Valtteri Bottas in P6, more than half a second off the Red Bulls in P4 and P5, and almost a second off the Ferrari of Fernando Alonso in P3. The pace setting Mercedes of Lewis Hamilton meanwhile was 1.7 seconds in front.

"The car feels okay," Button said when asked about his MP4-29. "It is still so far off the front guys, but it is alright. We are just trying to find a balance now through the high-speed sections."

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"I am just struggling with a lot of understeer with the car and we don't really know what to do to get more front grip," he added.

"There are areas we need to improve for tomorrow. Probably three of the teams are too quick for us now. But we are doing our best and hopefully we can improve a bit tomorrow."

Asked about the tyres - Pirelli has brought the hard and medium compounds to Silverstone, Button replied: "The prime is just way too hard, even in this [warm] temperature it is very difficult to get it working. I just can't get it up to temperature.

"As soon as you have to back off for traffic or a yellow flag you can't get the tyre working again - very difficult, it is tough.

"But the option tyre is good and you can get it working and you can run it reasonably long also."

"Tough day [overall]," he summed-up.

"But I feel we have made progress and I feel there is still more to come. We just won't be challenging the top three teams this weekend."