Formula 1: Is this the secret to Sebastian Vettel's success?

BBC Formula 1 analyst Gary Anderson explains how the design of the Red Bull car's underfloor could be contributing to the current dominance of Sebastian Vettel and Mark Webber.

Anderson uses a heat-seeking camera to illustrate how low the Red Bull runs compared to other cars, creating more downforce and grip.

Vettel won the Japanese Grand Prix on Sunday, with Webber finishing second.

Available to UK users only