Control system intended for the choice and the selection of functions in a vehicle, the system comprising a case, a lever extending along a main axis from a first end, mounted pivoting about a pivot axis to a second end provided with an actuation knob, the lever being able to turn about the main axis, and an elastic return device of the lever into a neutral position comprising an action surface in the form of a truncated cone of revolution, the axis of which is the main axis and, on a pivoting of the lever, the active zone is displaced along a generatrix of the cone moving towards the vertex, the elastic means being more biased than in a neutral position.