The home screen for VW's development infotainment system has large buttons for navigation, music, and photos. It also has a button for widgets, which would bring up third-party applications loaded in the car by the owner.
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You can get to the navigation screen by touching the navigation button on the home screen, or by tracing an 'n' from anywhere in the system. The stores its maps on a hard drive, allowing for greater detail and speed than DVD-based maps.
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ERL engineers made a nice visual design for this radio screen, with side-scrolling tuning. With gesture technology, you could simply trace up or down on the screen to lower or raise the volume.
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This screen shows some of the music browsing and playback functions with the stack of buttons on the left. The system lets you create playlists on the fly, called Queues in this application.