Hello to you all. Having been given a 2010 A4 S-Line 2.0 TDI as a courtesy car yesterday while Audi changed the cambelt on my A3 (and left an oil-filled latex glove dangling perilously close to my alternator - good job I checked before leaving! ), I am now looking to fit cruise control to my own car. I was going to go for a MFSW at the same time, but am a little dubious about the airbag (single stage/dual stage) issue at the moment. I'd like to prep for it at a later date (correct module and slip ring), but for now, will just go for cruise control. I hastily bought a 2008 A3 MFSW slip ring off eBay this morning (1KO 959 653 D), and have just checked this matrix (combined with a chat with Audi) to see what I need. Apparently I can only check my steering module number once I've removed it (under the centre console, was it?), and the guy said I need module numer 8PO 953 549 F, even though the matrix says I need (or already have?) suffix C, since my car was built in Feb/Mar 2005 The switch itself is £52 from Audi, the lower cowl is £24, both of which seem okay to me. I'm surprised there is no photo-enhanced step-by-step guide on here for fitting cruise control yet, this forum's great for photo guides! (NHN certainly is!) So, I'm a bit stuck at the moment. Is my new slip ring right for what I want? Can I really only check my control module number by gaining physical access to it? And do I need the module the Audi man said? Thanks for any help! Edit: I have searched this topic a fair bit. I have seen khufu saying that 8PO 953 549 F will work for MFSW and cruise control, but don't want to assume that's right, because our build dates may differ. I suspect my 2008 slip ring may be worthless now!