Video - 2013 rule changes explained 13 March 2013
There were some small but important revisions to the Formula One technical regulations for the 2013 season. This video explains the key changes, including the ban on active double DRS systems, stricter front wing deflection tests, and the option of smoothing out stepped noses with 'vanity panels'.
More technical videos:
Ferrari's foot-operated DRS
Ferrari F138, post-launch updates