Before revision: A Volvo double DIN head unit with CD and Compact Cassette A Renault head unit which pairs with a separate screen A double DIN head unit with a large touchscreen, DVD, 1seg and GPS An automotive head unit, sometimes called the infotainment system, is a vehicle audio component providing a unified hardware interface for the system, including screens, buttons and system controls for numerous integrated information and entertainment functions.
After revision: 90sA Volvo double DIN head unit with CD and Compact Cassette A Renault head unit which pairs with a separate screen A double DIN head unit with a large touchscreen, DVD, 1seg and GPS An automotive head unit, sometimes called the infotainment system, is a vehicle audio component providing a unified hardware interface for the system, including screens, buttons and system controls for numerous integrated information and entertainment functions.