> Devices that allow tracking when no accident occurred, violate the current regulation. This is stressed multiple times. "not connected to the mobile phone networks until a serious accident happens" -- https://ec.europa.eu/newsroom/dae/redirection/document/5963
Note that the linked document applies only to eCall In Vehicle System. Nothing prevent manufacturer to install a second system, using the same or separate modem, and track user's location and actions continuously. If the law requires you to install a GPS receiver and a modem, it would be uncapitalistic not to try to gain some profits from the data.