Apple last month announced the launch of CarPlay Ultra, the long-awaited next-generation version of its CarPlay software system for vehicles.

Leery of handing over their cars' dashboards entirely to Apple, some automakers are walking away from Ultra. Apple CarPlay phone integration has become indispensable for millions of drivers, and the tech giant is hoping that CarPlay Ultra,

Despite the buzz around CarPlay Ultra, some believe a growing number of manufacturers aren't on-board with the idea.