Sep.26 (GMM) Red Bull test and reserve driver Sebastien Buemi has played down reports that he will definitely make his grand prix debut with Toro Rosso in 2009.
Following his test with the Faenza based squad at Jerez last week, team principal Franz Tost told a Swiss newspaper that the teenager will almost certainly replace Sebastian Vettel next year.Buemi said: "Nothing is done, but I have a good chance."