Garmin is just beginning to ship the company's first HUD (head up display) unit for in-car use with Garmin and Navigon apps. The U.S. $129.99 device (on summer sale) sits on your dash, and can project navigation information on your windshield using a supplied transparent film or a built-in reflector.
DESIGN
The unit plugs into a 12 volt supply in your car with an included cable and then connects to your iPhone via Bluetooth. The HUD notifies the driver of upcoming turns with an arrow in the appropriate direction and the distance until the turn. I
