2007 Sierra/Silverado OnStar module location/disable

Let’s get some infos about OnStar in the new GM pick-ups. GMC SIERRA 1500 2007 (NEW BODY) CHEVY SILVERADO 1500 2007 (NEW BODY) 1) Where is located the OnStar module? 2) How to disable it without disrupting the Bus System of the vehicle? Note:I know there is a large quantity of people who worships…