the breakdown Polestar won't appeal the US government's decision to block future vehicle sales. The ban stems from new connected-car security rules targeting Chinese software in internet-connected vehicles starting with the 2027 model year. According to a new report from the Wall Street Journal, the Chinese-backed automaker won't challenge the US government's decision to block future sales of its vehicles. Instead of appealing the Commerce Department's ruling or pursuing legal action, Polestar says it will shift its attention elsewhere. Polestar 3 Performance Photo by: PolestarWhy Polestar Was BannedThe Commerce Department's decision to ban Polestar in the US stems from new connected-vehicle security rules.