Earlier this year, Apple finally launched CarPlay Ultra, the long-awaited next-generation version of its CarPlay software system for vehicles. However, now nearly five months later, CarPlay Ultra is still limited to just one luxury vehicle brand. CarPlay Ultra features deeper integration with a vehicle's instrument cluster and systems, built-in apps for radio and climate controls, rear-view camera feed support, and more. The connected iPhone provides app-related data, while the vehicle provides information like the current speed, fuel level, tire pressure, engine temperature, and more. The interface is tailored to each vehicle model and automaker's identity, and drivers can choose from various preset design options. CarPlay Ultra is currently limited to newer Aston Martin vehicles in the U.S. and Canada. Fortunately,…