the company the dealership uses for this tracking service in most cases is selling your driving/location data to third parties. The tracker would only protect the dealership from theft, however since they sell it to you, it’s technically at your discussion if you want to remove it or not. Toyota...
It is strictly a device the dealer uses to track the vehicle, in case it is stolen from their lot or in case you stop making your payments they can Repo it. All of your factory functions will work without it.
I had one installed that was pretty invasive. The company had cut and spliced into my ignition wire, so after removing several panels and the components they had installed, I cut off their wire splices and put everything back together. I went to start the car and it wouldn’t start. That was the...