Control assembly for the top of a steering column of an automobile vehicle comprising: - a microcontroller having at least two inputs (EA, EB, EC) and at least two outputs (S1, S2, S3, S4, S5, S6, S7; S'1), - a predefined number of switches (A1, A2, A3, A4, A5, A6, A7, B1, B5, C1, C2, C3, C4, C5, C6) each comprising at least one first and at least one second contacting area (P1, P2), and that can take a closed switching state in which the contacting areas (P1, P2) are connected together by a mobile contacting means (4a, 4b, 4c, 4d, 4e, 4f, 4g; 30; 41, 42) of the control assembly and an open switching state in which the contacting areas (P1, P2) are disconnected, the microcontroller comprising processing means for controlling functions of the vehicle according to the switching states of the switches, - a network of electrical tracks comprising input tracks (REA, REA, REC) connecting the first contacting areas of the switches to an input (EA, EB, EC) of the microcontroller and output tracks (RS1, RS2, RS3, RS4, RS5, RS6, RS7; RS'1) connecting the second contacting areas of the switches to an output of the microcontroller, characterized in that: - a mobile contacting means (4a, 4b, 4c, 4d, 4e, 4f, 4g; 30; 41, 42) is associated with a series (I1, 12, 13, 14, I5, 16, 17; I'1) comprising a set of switches whose first contacting areas are respectively connected to separate inputs (EA, EB, EC) of the microcontroller and whose second contacting areas are connected to the same output (S1, S2, S3, S4, S5, S6, S7; S'1) of the microcontroller, in that - for each series (I1, 12, 13, 14, I5, 16, 17; I'1), the associated mobile contacting means (4a, 4b, 4c, 4d, 4e, 4f, 4g; 30; 41, 42) can take several positions amongst which is, at the most, one active contacting position at a time in which the mobile contacting means connects two contacting areas (P1, P2) together in such a manner as to only close one switch of the series at a time, and in that - the processing means of the microcontroller are programmed so as to associate control commands for antinomic functions of the vehicle with each position that can be taken by the mobile contacting means of a series. - a microcontroller having at least two inputs (EA, EB, EC) and at least two outputs (S1, S2, S3, S4, S5, S6, S7; S'1), - a predefined number of switches (A1, A2, A3, A4, A5, A6, A7, B1, B5, C1, C2, C3, C4, C5, C6) each comprising at least one first and at least one second contacting area (P1, P2), and that can take a closed switching state in which the contacting areas (P1, P2) are connected together by a mobile contacting means (4a, 4b, 4c, 4d, 4e, 4f, 4g; 30; 41, 42) of the control assembly and an open switching state in which the contacting areas (P1, P2) are disconnected, the microcontroller comprising processing means for controlling functions of the vehicle according to the switching states of the switches, - a network of electrical tracks comprising input tracks (REA, REA, REC) connecting the first contacting areas of the switches to an input (EA, EB, EC) of the microcontroller and output tracks (RS1, RS2, RS3, RS4, RS5, RS6, RS7; RS'1) connecting the second contacting areas of the switches to an output of the microcontroller, - a mobile contacting means (4a, 4b, 4c, 4d, 4e, 4f, 4g; 30; 41, 42) is associated with a series (I1, 12, 13, 14, I5, 16, 17; I'1) comprising a set of switches whose first contacting areas are respectively connected to separate inputs (EA, EB, EC) of the microcontroller and whose second contacting areas are connected to the same output (S1, S2, S3, S4, S5, S6, S7; S'1) of the microcontroller, in that - for each series (I1, 12, 13, 14, I5, 16, 17; I'1), the associated mobile contacting means (4a, 4b, 4c, 4d, 4e, 4f, 4g; 30; 41, 42) can take several positions amongst which is, at the most, one active contacting position at a time in which the mobile contacting means connects two contacting areas (P1, P2) together in such a manner as to only close one switch of the series at a time, and in that - the processing means of the microcontroller are programmed so as to associate control commands for antinomic functions of the vehicle with each position that can be taken by the mobile contacting means of a series.