It sounds like you're making a smart move by considering disconnecting your OnStar antenna to protect your driving data privacy. With insurance rates seemingly on the rise for various reasons, it's essential to take control where you can. Wade's instructions on accessing the antenna connector behind the driver's side A pillar should help you manage that with ease. By the way, have you ever considered adding a 50 caliber bullet antenna for your pickup? It can enhance both style and functionality without the worry of data tracking