A loyal GM customer bought a 2022 Corvette, then couldn't get a single insurance company to cover him. The reason wasn't his record. It was what his own car had been quietly reporting about him.

Your car is almost certainly doing the same thing right now. This is the model-by-model breakdown of the always-on tracker hiding in Toyota, Ford, and GM vehicles, where it lives on each one, and what owners are actually doing about it in their own driveways. One of these three brands you can shut up in five minutes. One of them you can't shut up at all.

Find your vehicle in the chapters below.