Malaysian GP: F1 drivers prepare for Sepang test
Drivers from around the Formula 1 paddock look ahead to the Malaysian Grand Prix, as the teams prepare for the second race of the season.
Reigning champion Sebastian Vettel says Red Bull are working on improving the pace of the car, as third place in Australia was not "the result we wanted".
Lotus's Kimi Raikkonen, who won the season-opener in Melbourne, says he is focused on building on the victory, while Mercedes driver Lewis Hamilton is "optimistic" he can fight for a podium place this weekend.
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