Head Up Display

  The Head Up Display or HUDs are images that are projected into the driver's field of vision and displays relevant information related to driving.
head up display
  How head up display works is by using a small monitor embedded at the top of the dashboard between the instrument panel and front windscreen.
  The displays on the monitor are projected onto the windscreen via several small mirrors similar to a slide projector which magnifies the image to several times the size on the small monitor.
  Although the image is projected unto the windscreen, it appears to be between two to three meters infront of the driver so your eyes dont have to refocus.
  Information from various sources, sensors and features are projected such as:-   All of these signs, instructions or alerts put together when displayed occupies a very small area of the drivers sight, just large enough to read but not too large to obstruct or distract.
  HUDs can start automatically in some vehicles when the engine is switched on or it can be turned on and off with a button as in other vehicles.
  The height and brightness of the head up display on some vehicles can be adjusted by the driver. These adjustments can usually be adjusted via a menu on the infotainment screen.
  Heads up display have been in fighter jets to improve a pilot's accuracy during air combat long before they were ever considered to be used on automobiles.
  The head up display made its way to vehicles as early as 1988 on the Chevrolet Corvette. BMW is well known for having HUDs on their vehicles and it is also used by various marques throughout the industry with even aftermarket head up display systems available.
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