Steering wheel - F1technical.net

History As recently as 1992, the steering wheel on a Formula 1 car was a relatively plain, straightforward piece of equipment, round in shape, with a metal plate at the centre to attach it to the steering column, and generally no more than three buttons - one for selecting neutral, one for releasing liquid through a tube in the helmet for the driver to replenish his fluid levels and one for the ra

[Knagi]

異様にボタンの多いF1のステアリング。