The present invention relates to a method for controlling a massage system of a motor vehicle seat incorporating a massage function, said method comprising the steps of displaying on a touch-sensitive display and control interface of said vehicle a menu for setting the parameters of said massage function, in which menu the last parameters to have been chosen by the user are preselected by default (100), this displaying of the parameter-setting menu being actuated by the user pressing a physical control button (a1) and of starting the massage function with the parameters preselected by default or which have just been selected via said parameter-setting menu (300), this starting of said massage function being actuated by the user pressing said physical control button when said parameter-setting menu is being displayed (a2). The invention also relates to a system suited to the implementation of such a method.