Buick Customer Service
All Knowing
Hi! In the last 30 days I took ownership of a new 2011 T07 manufactured in 02/11. Great car! Though I too am having the same issue with the volume in the sound system fluctuating. Very glad I found this thread. I thought I was losing it. Please post if anybody hears a solution for this issue.
Have you brought this to the attention of your local dealer? I would recommend contacting them as you should still be under warranty. Please keep me posted and contact me with any further questions. Thank you.
Tricia, Buick Customer Service.