Needamaser, just to clear up some confusion that I think has arisen from my post, I would agree, I didn't notice it being faster to change than when I've done the same manually, although it was as fast. It was just a surprise to me that it was fast at all. Based on my very limited experience of the auto mode up until that point I wouldn't have been surprised if it changed down in 2 slow clunky steps checking for engagement along the way. The more I drive this car the more I realise it may be a first generation CC type system but quite a bit of thought has gone into the software, auto and manual, that only becomes apparent as you drive it more.