"Nico, Paul and Adrian ran a variety of tests, mostly looking at set-up," says Dominic Harlow. "We also had a chance to try a development Pirelli tyre, which was... read more »

"I think we were able to improve the car throughout today," says Vettel, "but we definitely need to make another step." read more »

There is still a lot of work to do, because neither driver is yet happy with the handling of his car. read more »

"Jenson wasn't quite able to extract the full potential from the option tyre," admits Martin Whitmarsh. "But we're confident that we can make the... read more »

Sebastian Vettel is sure that rain will affect at least part of the Brazilian Grand Prix weekend, with Lewis Hamilton having topped the timesheets on a dry Friday. Rain is... read more »

"As with most other runners we seem to be experiencing instability at the rear and both cars need to dial in the balance overnight," admits John Booth. read more »

"Set-up is going to be especially important given the potential changeable weather conditions throughout the weekend," says Mark Gillan. read more »

"Our new rear wing which maximises the effect of DRS worked exactly as we had predicted," says Mike Gascoyne. "I think we can look forward to a good final... read more »

Brazilian Grand Prix Friday quotes: Lotus read more »

Brazilian Grand Prix practice pacesetter Lewis Hamilton was delighted with his McLaren on Friday at Interlagos but still suspects Red Bull will prove slightly quicker over the... read more »

Brazilian Grand Prix Friday quotes: Williams read more »

Team Lotus has pinned its hopes on a new rear wing tested during Friday practice for the Brazilian Grand Prix as it seeks to end its season on a high and secure its coveted... read more »

Fernando Alonso is hoping for rain in Sunday's Brazilian GP, admitting it would boost his chances of fighting for the race victory... read more »

"Our direct rivals remain within reach," says Colin Kolles, "and I am confident that we can cut down the differences tomorrow." read more »

Lewis Hamilton is confident McLaren has the pace to challenge Red Bull at this weekend's Brazilian Grand Prix after topping the Friday practice times read more »

Sauber had a busy first day ahead of the Brazilian Grand Prix, with Sergio Perez having to stop early due to a gearbox problem. read more »

Jenson Button said that he has yet to find a balance in his car but is confident he has the solutions to resolve any issues ahead of qualifying for the Brazilian Grand Prix read more »

Jenson Button admitted he struggled to get any speed out of the softer Pirelli tyre in Brazilian Grand Prix practice - but is generally confident in his McLaren's pace... read more »

"Both sessions ran well and we achieved the work that we had planned," says Ross Brawn. "As always, there is still progress to be made." read more »

Brazilian Grand Prix Friday quotes: Sauber read more »

Toro Rosso believes it has scanned enough elements today to have a good idea what to do whatever the conditions this weekend. read more »

Timo Glock was left to rue consistent tyre issues throughout practice for this weekend’s Brazilian Grand Prix, describing the behaviour of the Pirelli rubber on offer... read more »

Fernando Alonso says that it is too early to say how competitive Ferrari will be in this weekend's Brazilian Grand Prix at Interlagos despite lapping just two tenths... read more »

Vitantonio Liuzzi was pleased to have made up time on Friday, having missed the first Brazilian practice session as HRT ran Czech driver Jan Charouz. The Italian’s... read more »

Read what the drivers had to say after Friday practice for the Brazilian Grand Prix read more »