Device to adjust the position of pedals in a motor-vehicle

Device to adjust the position of a pedal of a motor vehicle, including a support on which there are located: a connector articulated to a means (5) controlling one of the devices located on the motor vehicle; a pivot (6) to rotatably connect the arm of the pedal (7) and a connection means (14) the length of which varies between a point on the support and the end of the arm (7).