Christian Horner has blamed the lapped HRT of Narain Karthikeyan for costing Sebastian Vettel victory in the U.S. GP.
The drivers give their reaction to qualifying for the Belgian Grand Prix, where Jenson Button took his first McLaren pole position.
The drivers give their views on a frustrating day in Belgium, where both sessions were heavily affected by rain.
HRT have announced that Dani Clos will replace Narain Karthikeyan in Practice One for the Spanish GP at Barcelona on Friday.
Pedro de la Rosa thinks that HRT will be more competitive when F1 resumes in Spain after having time to work on their car during the three week break.
The drivers have their say after a thrilling race at the Bahrain International Circuit in Sakhir, where Sebastian Vettel took victory.
Narain Karthikeyan says he and World Champion Sebastian Vettel should move on from their Malaysian GP war of words "in a mature way".
Malaysian GP stewards gave Narain Karthikeyan a 20-second time penalty following his collision with Sebastian Vettel while being lapped.
HRT driver Narain Karthikeyan has hit back at Sebastian Vettel following their collision in the Malaysian Grand Prix on Sunday.
HRT are looking for a better weekend in Malaysia after failing to qualify for the season-opening Australian Grand Prix.
Pedro de la Rosa says it is vital HRT spend as much time as possible on the track at the Malaysian GP if they are to qualify at the second attempt.
HRT team principal Luis Perez-Sala is hoping hard work will pay dividends when the team begin the 2012 season in Melbourne.
HRT have introduced their 2012 challenger with Narain Karthikeyan giving the F112 a run out at Barcelona on Monday.
HRT targeting the final day of official winter testing at the Circuit de Catalunya on Sunday to finally roll out their F112.
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Nico Rosberg gave Mercedes' 2011 car a fitting send off on day three at Jerez, but Lotus's Romain Grosjean was the fastest runner in a 2012 car.
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Your one-stop destination for all the driver reaction to the first day of testing at Jerez on Tuesday - with everyone delighted to be back at work.
Join Skysports.com reporter Mike Wise for live coverage of the opening day of Formula One testing in Jerez as F1 2012 really gets underway
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