Apple's shiny new CarPlay Ultra promised to transform your entire dashboard into an iPhone-powered command center. But three years after its grand debut, most automakers are delivering a collective "thanks, but no thanks" to Cupertino's most ambitious in-car takeover yet. What you need to know: Apple's next-gen CarPlay goes way beyond mirroring your phone to control A/C, speedometer, and radio — but major brands like Mercedes-Benz, Audi, and Volvo are saying "don't invade our systems." Let'...
