Driver assistance system (210; 310) for a vehicle, having: a computing device (112; 312); a first interface for connecting at least one input capture device of the vehicle to the computing device (112; 312); a second interface for connecting a traffic capture device of the vehicle to the computing device (112; 312); a third interface for connecting at least one actuator to the computing device (112; 312); wherein the computing device (12; 112; 312) is designed to generate a control signal on the basis of a movement of a steering wheel of the vehicle, as captured by the at least one input capture device (114; 214), and on the basis of a traffic situation captured by the traffic capture device in accordance with a control program of the computing device (12; 112; 312) and to transmit said control signal to the third interface; and at least one actuator which is connected to the third interface and can be used to generate or increase a first resistance to the movement of the steering wheel on the basis of the generated control signal; wherein the control program comprises control rules which correspond to one, more or all legal traffic rules applicable at a current position of the vehicle; wherein the control signal is designed to control the at least one actuator to generate or increase a first resistance to the captured movement of the steering wheel and to retain or reduce a second resistance to a movement opposite the captured movement; wherein the computing device (112; 312) is designed to set a resistance value, with which the first resistance is generated or to which the first resistance is increased, on the basis of the captured traffic situation; wherein the actuator can be used to generate a torque which counteracts turning of the steering wheel in at least one direction, wherein the resistance value, with which the first resistance is generated or to which the first resistance is increased, is proportional to a deviation of a current deflection of the steering wheel from a desired deflection of the steering wheel, as calculated in accordance with the control program on the basis of the captured traffic situation; wherein the computing device (112; 312) is designed to generate the control signal at least when the computing device (112; 312) determines, on the basis of the captured traffic situation, that a breach of one of the control rules stored in the control program is imminent or is effected on the basis of the captured movement of the steering wheel. a computing device (112; 312); a first interface for connecting at least one input capture device of the vehicle to the computing device (112; 312); a second interface for connecting a traffic capture device of the vehicle to the computing device (112; 312); a third interface for connecting at least one actuator to the computing device (112; 312); wherein the computing device (12; 112; 312) is designed to generate a control signal on the basis of a movement of a steering wheel of the vehicle, as captured by the at least one input capture device (114; 214), and on the basis of a traffic situation captured by the traffic capture device in accordance with a control program of the computing device (12; 112; 312) and to transmit said control signal to the third interface; and at least one actuator which is connected to the third interface and can be used to generate or increase a first resistance to the movement of the steering wheel on the basis of the generated control signal; wherein the control program comprises control rules which correspond to one, more or all legal traffic rules applicable at a current position of the vehicle; wherein the control signal is designed to control the at least one actuator to generate or increase a first resistance to the captured movement of the steering wheel and to retain or reduce a second resistance to a movement opposite the captured movement; wherein the computing device (112; 312) is designed to set a resistance value, with which the first resistance is generated or to which the first resistance is increased, on the basis of the captured traffic situation; wherein the actuator can be used to generate a torque which counteracts turning of the steering wheel in at least one direction, wherein the resistance value, with which the first resistance is generated or to which the first resistance is increased, is proportional to a deviation of a current deflection of the steering wheel from a desired deflection of the steering wheel, as calculated in accordance with the control program on the basis of the captured traffic situation; wherein the computing device (112; 312) is designed to generate the control signal at least when the computing device (112; 312) determines, on the basis of the captured traffic situation, that a breach of one of the control rules stored in the control program is imminent or is effected on the basis of the captured movement of the steering wheel.