Well my biggest question is what happens if you loose your phone or leave it someplace or what happens when it breaks just some thoughts to bring to the table. I don't know what state you live in but Onstar for me costs 199 a year which isn't too bad considering you get the ability to have someone call for help if you become unable to call for help. Oh and my wife has cancer so it's nice to know someone is watching out for her when I can't but hay that's just me