That access allowed them to track the physical GPS location of all Reviver customers and change a section of text at the bottom of the license plate designed for personalized messages to whatever they wished, according to a blog post from the researchers.In the promotional video, one message reads “looking for a trail.” Another reads “Go Team!” An accompanying app can also update a user if their car moves when it is supposed to be parked, indicating it may have been stolen.In the blog post, Curry writes the researchers were interested in Reviver because the license plate’s features meant it could be used to track vehicles.Mercedes-Benz dealerships will often package REVIVER plates) and update the default image used by the dealer when the newly purchased vehicle still had DEALER tags.”Reviver told Motherboard in a statement that it patched the issues identified by the researchers.“Cybersecurity is central to our mission to modernize the driving experience and we will continue to work with industry-leading professionals, tools, and systems to build and monitor our secure platforms for connected vehicles,” it added."