It's not really opt-in, it prompts you to set it up when it connects to your cars Bluetooth. If you state Not Now and skip it, it will auto turn on anyway and keeps prompting you to set it up everytime. You have to go through the prompts and then go back to settings and opt-out.It’s opt-in, you shouldn’t have to do anything.
But if it’s happening to you, go to “Do Not Disturb” settings and switch do not disturb while driving to “activate manually”
Strange, I stopped getting those prompts and my settings say manually, and I’ve never even touched the settings.It's not really opt-in, it prompts you to set it up when it connects to your cars Bluetooth. If you state Not Now and skip it, it will auto turn on anyway and keeps prompting you to set it up everytime. You have to go through the prompts and then go back to settings and opt-out.