2009 Quest w/ Bose - speed sensitive volume not working

I noticed that the speed sensitive volume does not work. I cannot remember if it worked when I got the van. Not sure if it has anything to do with having a Navigation system or if the speed sensor is broken or if the radio unit needs to be replaced.
Thanks!

I also have this option in my
I also have this option in my 06 but have not noticed the volume raising or lowering with more or less speed.
Come to think of it, I
Come to think of it, I haven't noticed any difference in volume on my 2006 either
Make sure you have your
Make sure you have your settings set for SSV high.
in my 2005 SSV works in any
in my 2005 SSV works in any setting. probably the only thing that really works.