I have it on the 6.1 and agree with
@Kind of Blue I have it switched off as it operates terribly. Every three months I decide to give it another go and then give up after it's drilled too many other drivers between the eyes again.
I just heartily wish instead of it being "auto" on one click and "manual" on two I could configure it the other way around. It
is useful on late night drives on dual carriage ways so it would be useful to have it to hand, but the way around it is I just hate sitting there
knowing it's about to decide to put the lights back on and make a mistake and there is nothign I can do about it other than flash them anyway to override auto or awkwardly reach down and twiddle the headlamp mode - it's shockingly poor.
Anyway if you want to preserve do make sure that the windscreen is good and clean in the centre around the cameras and be aware that it doesn't put the lights on at town driving speeds or on well lit roads.