When I first tried it back in December when the car arrived, the software wouldn't make any coding changes. However, I've since found out that a security feature has been activated by VW so that the bonnet must be open when making changes.
I know that sounds weird, but with the first good weather weekend in ages, went and tried it...and it works

I was keen to see if any changes could be made to the settings in Driver Assistance...the lane assist in particular seemed lazy and would let the car almost drift onto the centre line, then yank it back in line. The only option in the car was to turn it on or off, but nothing to do with sensitivity of the feature.
My Arteon is much more useful, actually steering the car through the curves much more effectively and keeping the car more accurately in the middle of the lane.
Anyhow...using my OBD11 device, I did the following
Select Module A5 (Driver Assistance) ->
- Select Long Coding ->
- Select Point Of Intervention -> (it was originally shown as late, second option in the menu...makes sense, as the car was 'late' to react to lane divergence)
- Set To early_setting_over_menu.
Closed and locked the car, left for a couple of minutes, then went back into the Driver Assistant settings in the MIB3 headunit
Adaptive Lane Guidance is now a selectable setting in the Driver Assistant menus...a quick test drive shows it now acts much like my Arteon and is much more effective at lane keeping
