Finding ways for drivers to control their cars and give them vital information without distraction has proved tricky over the years.
Touchscreens were intended to reduce the level of distraction but have proven controversial, while head-up displays for keeping drivers informed work well but are still a premium feature.
Ford recently revealed details of its work on high-resolution headlights, which use the road surface as a kind of screen on which to project symbols, such as direction arrows from the sat-nav system or weather-related information like the ice warning symbol that appears on the instrument display.
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