Apple makes its next move in hands-free smartphone technology for car drivers when it unveils a new, integrated iPhone voice-control system at the Geneva Motor Show this week. The U.S. companys CarPlay makes its debut in Ferrari, Mercedes-Benz and Volvo vehicles at the show, demonstrating the software system that allows drivers to control their iPhones via touch and voice, Apple said on Monday. Carmakers have already enabled some access to smartphones via bluetooth technology, but Apples latest offering aims to integrate iPhone functionality more seamlessly with dashboard-mounted display and speaker systems. CarPlay enables drivers to access to contacts stored on the iPhone, make calls, return missed calls or listen to voicemails without taking their hands from the steering wheel.