Thanks Mr. B200, that is what is going on alright. Your assistance is appreciated, as is that of others who posted.
JD

On this car, the noise is continuous. It sits for many days between usages, and the noise is noticeable at any time. Or so it seems. If opening a door might cause some of these systems to "awaken", perhaps I should leave the windows rolled down so that I do not need to open a door, after a...

Can some one enlighten me as to what would be causing the very quiet hum, like a small motor or fan running, that is audible when my 2008 XC90 is parked and not running? It seems to be coming from the center console area. It makes me wonder how much current is being drawn and how long the battery wi...