I'm considering shutting down my unlimited data w/Onstar and the general Onstar account but I need to figure out how much a hotspot would cost. I use my data a lot in the car (books, podcasts, Pandora, etc) and I want it available for passengers as well. Do I need any additional equipment to activate a hotspot?
One idea that comes to mind is to ensure that you have a plan for your smartphone that includes mobile hotspot:
Alternately if you prefer the mobile hotspot to be separate from the phone, then here is our line up of Jetpacks: