private void OnEnable()
    {
        targetWheelBrake = target as WheelBrake;

        // Instantiate undoManager
        UndoManager = new HOEditorUndoManager( targetWheelBrake, "Wheel Brake" );
    }
    private void OnEnable()
    {
        targetWheelBrake = target as WheelBrake;

        // Instantiate undoManager
        UndoManager = new HOEditorUndoManager(targetWheelBrake, "Wheel Brake");
    }