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Sebastian Vettel laughs off allegations that Red Bull is breaching Formula 1 rules

  • FILE - In this Sept. 22, 2013 file photo, Red Bull driver Sebastian Vettel of Germany celebrates on the podium after winning the Singapore Formula One Grand Prix on the Marina Bay City Circuit in Singapore. Formula One championship leader Vettel is cautious about the prospects of Red Bull continuing its dominance at this weekend’s Korean Grand Prix, saying the layout of the circuit does not suit the car’s strengths. The Korean Grand Prix is scheduled on Oct. 4, 2013. (AP Photo/Wong Maye-E, File)

    FILE - In this Sept. 22, 2013 file photo, Red Bull driver Sebastian Vettel of Germany celebrates on the podium after winning the Singapore Formula One Grand Prix on the Marina Bay City Circuit in Singapore. Formula One championship leader Vettel is cautious about the prospects of Red Bull continuing its dominance at this weekend’s Korean Grand Prix, saying the layout of the circuit does not suit the car’s strengths. The Korean Grand Prix is scheduled on Oct. 4, 2013. (AP Photo/Wong Maye-E, File)  (The Associated Press)

  • FILE - In this Oct. 11, 2012 file photo, the sun sets over the Korean International Circuit ahead of the Korean Formula One Grand Prix in Yeongam, South Korea. Formula One championship leader Sebastian Vettel is cautious about the prospects of Red Bull continuing its dominance at this weekend’s Korean Grand Prix, saying the layout of the circuit does not suit the car’s strengths. The Yeongam circuit in South Korea combines both elements, with long straights and a technical and tight finish. The Korean Grand Prix is scheduled on Oct. 4, 2013.  (AP Photo/Mark Baker)

    FILE - In this Oct. 11, 2012 file photo, the sun sets over the Korean International Circuit ahead of the Korean Formula One Grand Prix in Yeongam, South Korea. Formula One championship leader Sebastian Vettel is cautious about the prospects of Red Bull continuing its dominance at this weekend’s Korean Grand Prix, saying the layout of the circuit does not suit the car’s strengths. The Yeongam circuit in South Korea combines both elements, with long straights and a technical and tight finish. The Korean Grand Prix is scheduled on Oct. 4, 2013. (AP Photo/Mark Baker)  (The Associated Press)

Formula One's runaway championship leader is laughing off allegations that the team is illegally using traction control to gain a big advantage on its rivals.

Sebastian Vettel has a 60-point lead heading into this weekend's Korean Grand Prix and appears certain to win a fourth-straight title.

The German's huge speed advantage in the previous F1 race in Singapore prompted former Minardi team boss Giancarlo Minardi to allege Red Bull is using banned traction control to gain a cornering-speed advantage.

Asked about the allegation on Thursday, Vettel said "we are pretty proud of the system and others have to figure out how we have done it."