An internet and privacy watchdog has a warning: Your car is tracking you, and it’s collecting far more information than it needs just to get you where you’re going.

Mozilla, the nonprofit that develops the Firefox browser, released a report Wednesday detailing how the policies of more than two dozen car manufacturers allow for the collection, storage and sale of a wide range of sensitive information about auto owners.

Researchers behind the report said that cars now routinely collect data on par with tech companies, offer few details on how that data is stored and used, and don’t give drivers any meaningful way to opt out…