Head-up display (HUD)

A head-up display (HUD) projects information on to a transparent screen, so a driver doesn’t have to look away from the road if checking their speed, navigation instructions, etc. The technology was originally used in military aircraft. Some cars project the information on to a small plastic screen that rises up above the instruments, while more expensive cars tend to just display it on the windscreen, directly in front of the driver’s eye line so you can keep your eyes on the road at all times.