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iOS 18.4 breaks CarPlay connectivity for some iPhone users - 9to5Mac
Apple released iOS 18.4 for iPhone users on with Priority Notifications, new emoji, several changes to CarPlay, and more. According...
In a thread on Reddit and elsewhere, iPhone users say they are experiencing a wide range of bugs with CarPlay since updating to iOS 18.4 this week. Multiple users say “Now Playing” information from CarPlay no longer shows up on their car’s gear cluster display. I got this same problem in my 2025 Mazda CX-30 this morning too after updating to the latest iOS, as did my partner, he only got it to work after disconnecting and reconnecting the device to the vehicle FIVE times!
Or read this on r/apple
