A tuned mass damper, also known as a harmonic absorber, is a device that is attached to structures in order to reduce the strength of vibrations passing through them.

[4] Tuned mass dampers are used in buildings across the world to reduce the effects of earthquakes and strong gusts of wind.

The Tuned mass damper on the Renault R26 vibrated in the opposite direction from the chassis due to inertia, with its magnitude calculated by the 'tuning' variables mentioned above.

During the first half of the 2006 season, Renault had built up a comfortable points lead over their main rivals Ferrari.

However, at the time of the German Grand Prix at the Hockenheimring the FIA decided to ban all the teams from using tuned mass dampers in their car.

Even though the system was deemed legal for over half a year, the FIA decided that it broke the rule that no moving part can influence the aerodynamics of the car.

[8] This was the final year for Renault/the Enstone team's long-term deal with Mild Seven, which they had held since the Benetton period, after a regulation mandated the banning the tobacco advertising at the end of the season.