would be useful to display the values used when auto correct is on, in case one wants to know them as a start point for further adjustment.
Unfortunately, that cannot be done. From RawPedia:
Where manual correction applies a constant value across the image, auto-correction divides the image into many blocks and tailors the values required to eliminate chromatic aberration to each block. For this reason auto-correction usually performs better than manual correction, and the auto-correction values cannot be displayed in the sliders.
Each iteration also applies a different amount of correction.
Makes sense. Glad to understand more about how it works and to know of the RawPedia 
Thanks!