Wheeler925

I can't find much in the way of up to date information. I do not pay for an onstar subscription. I'm getting rather tired of the dealership I bought the truck from knowing about my driving habits. I don't need or want them calling me when its time for an oil change or anything else. It was even more creepy when I got service today and they knew the exact mileage before looking inside my truck. How can I disable this completely? If I could start my truck from my cell phone without paying for onstar, that's one thing, but I dont need it as a revenue enhancer for the dealership