The terms, conditions, and privacy policy/notice documents supplied by service providers contain valuable information to help consumers make informed choices about participation in various services and programs.  If you don't read them, how do you know what information is collected, and how it's protected, retained, used, or shared?  The most recent changes to the OnStar privacy statement are a good example of why it's important to read such notices.  See the links below for the story.

Blogs:

GM's OnStar now spying on your car for profit even after you unsubscribe?

OnStar Begins Spying on Customers's GPS Location for Profit

The privacy notice:

OnStar Privacy Statement - Effective December 2011

Update 9-2-11:

OnStar kills plan to track ex-subscribers