In a work vehicle, such as a motor grader, having at least one actuator for positioning a component, an operator control system includes at least one controller configured to control the at least one actuator, and a control movable through a range of motion and having at least two detents, at least one located on each side of a neutral position of the control. The at least one controller is configured to control the at least one actuator based on positions of the control as the control is moved through its range of motion, and correlate at least one input signal from the control when at least one of the detents with at least one reference position of the component.