Cars are a ‘privacy nightmare on wheels’. Here’s how they get away with collecting and sharing your data::Cars with internet-connected features are fast becoming all-seeing data-harvesting machines—a so-called “privacy nightmare on wheels,” according to US-based research conducted by the Mozilla Foundation.
Varies widely, sometimes you can call in and opt-out, boom done. It will naturally take the cellular features like hotspot, app stuff with it. It will be very make/model specific. You can do it on Toyota’s by pulling a fuse if calling don’t work and you only lose the microphone.