I replied to your post about my car, but the thread was deleted. Not too sure about the sunroof to be honest. Its a Webasto sunroof, and is electric. It has an auto-close function as well when you open the drivers door. With regards to the aux belt snapping and taking the cambelt with it, all the repair work was done by Renault. I am friends with the technician who carried out the work, and he was a Renault Master Technician, and also runs a 172 Cup himself. I must admit, i'd prefer it without the sunroof, but it is quite nice in the summer.