Method for controlling steering locking of a steer-by-wire steering system of a motor vehicle

A method for controlling steering locking of a steer-by-wire steering system of a motor vehicle, the steer-by-wire steering system including a feedback actuator to simulate a steering feel to a steering device, wherein the feedback actuator includes an electric motor with a motor shaft connected to a steering shaft to be able to transmit a torque, and a steering lock with a latch connected to the steering shaft in a torsion-resistant manner and a lock to engage with the latch at locking positions to block a rotation of the steering shaft, the method comprising:

• if an ignition is switched-off and a movement of the steering device is detected, determining a position of the steering shaft α nd a distance between the lock and a next one of the locking positions of the latch in a direction of movement of the steering device;
• and
• if the distance is greater than a predefined value, transmitting a counter-torque to the steering shaft by the feedback-actuator in a direction opposite to the movement of the steering device until the next one of the locking positions reaches the lock and the lock can engage with the latch;
• wherein
• the counter-torque increases with decreasing angular distance between the lock and the next one of the locking positions in the direction of movement of the steering device.