A control knob for use in a motor vehicle is provided, having a hub for attachment of the control knob to a shaft, a torsion-proof part, a rotatable part, a rotation angle sensor, means for generating rotary haptics, and an electronic system by means of which the components, located in the control knob, can be controlled and the signals of the sensors can be evaluated and via which the control knob can be connected to the on-board electronics of the motor vehicle.