You may have a better response if you post in the correct forum.
Try again in the 2015 XC90 forum - XC90 '02–'15 General.
http://www.volvoforums.org.uk/forumdisplay.php?f=37
This forum is for the new XC90 and owners of the XC90 Mk.2 haven't discovered this particular problem - yet
