Gear shift system for a motor vehicle with a steering wheel, comprising: • gear shift devices (4,5) rotationally integral with the steering wheel, each of which is operable by a driver of the motor vehicle to carry out at least one respective gear shift function associated with said gear shift device (4;5); wherein said gear shift devices (4,5) comprise a first gear shift device with which at least one first gear shift function is associated, and a second gear shift device with which at least one second gear shift function is associated; and • an electronic control unit configured to - receive a magnitude indicative of a current steering wheel angle, - determine, on the basis of the received magnitude, whether the current steering wheel angle satisfies predefined conditions, and, - if it determines that the current steering wheel angle does not satisfy the predefined conditions, maintain - the first gear shift function associated with the first gear shift device, and - the second gear shift function associated with the second gear shift device; said gear shift system being characterized in that the electronic control unit is further configured to: • if it determines that the current steering wheel angle satisfies the predefined conditions, reconfigure the gear shift functions associated with the gear shift devices (4,5) by associating - the second gear shift function with the first gear shift device, and - the first gear shift function with the second gear shift device. • gear shift devices (4,5) rotationally integral with the steering wheel, each of which is operable by a driver of the motor vehicle to carry out at least one respective gear shift function associated with said gear shift device (4;5); wherein said gear shift devices (4,5) comprise a first gear shift device with which at least one first gear shift function is associated, and a second gear shift device with which at least one second gear shift function is associated; and • an electronic control unit configured to - receive a magnitude indicative of a current steering wheel angle, - determine, on the basis of the received magnitude, whether the current steering wheel angle satisfies predefined conditions, and, - if it determines that the current steering wheel angle does not satisfy the predefined conditions, maintain - the first gear shift function associated with the first gear shift device, and - the second gear shift function associated with the second gear shift device; said gear shift system being characterized in that the electronic control unit is further configured to: - receive a magnitude indicative of a current steering wheel angle, - determine, on the basis of the received magnitude, whether the current steering wheel angle satisfies predefined conditions, and, - if it determines that the current steering wheel angle does not satisfy the predefined conditions, maintain - the first gear shift function associated with the first gear shift device, and - the second gear shift function associated with the second gear shift device; said gear shift system being characterized in that the electronic control unit is further configured to: - the first gear shift function associated with the first gear shift device, and - the second gear shift function associated with the second gear shift device; • if it determines that the current steering wheel angle satisfies the predefined conditions, reconfigure the gear shift functions associated with the gear shift devices (4,5) by associating - the second gear shift function with the first gear shift device, and - the first gear shift function with the second gear shift device. - the second gear shift function with the first gear shift device, and - the first gear shift function with the second gear shift device.