I don't consider myself much a part of the tinfoil hat club, but this is giving me more motivation to rip out that OnStar module and put in a BlueStar. If only they'd hurry up with the A2DP streaming feature that would seal the deal.
A couple related articles:
http://www.theregister.co.uk/2011/09/21/onstar_ecall/
http://www.wired.com/threatlevel/201...ar-tracks-you/