Volvo has developed a system that provides real-time warnings to drivers of black ice or disabled vehicles on the road ahead.
The technology is currently being tested in Sweden and pulls data from wheel sensors to detect when tires encounter black ice. When that happens, the car transmits a GPS location to a Volvo server, which then sends the data to other vehicles nearby that are equipped with the system.
Drivers of those cars see a small warning icon on the dashboard to alert of the black ice ahead. The icon gets bigger as the car approaches the dangerous area, said Erik Israelsson , project leader for safety at Volvo, during a demonstration at Mobile World Congress in Barcelona.