Device for locking an operating element of an automatic transmission of a vehicle, method for operating such a device and switching device for switching an automatic transmission of a vehicle

A method for operating a device for locking an operation element of an automatic transmission of a vehicle, wherein the device comprises:

• a rotationally mounted locking comb configured to directly connect with the operation element with a locking contour;
• a locking element configured to be arranged in a first position outside the locking contour to release the locking comb in order to allow a shifting movement of the operation element and configured to be arranged in a second position in the locking contour to fix the locking comb in order to lock the operation element;
• and
• a rotationally mounted set ring with a control contour for guiding the locking element between the first position and the second position,
• wherein the method comprises:
• turning the set ring to move the locking element from the first position to the second position by the control contour in order to fix the locking comb for locking the operation element.