"If the lane fades, all hell breaks loose," said Christoph Mertz, a research scientist at Carnegie Mellon University. "But cars have to handle these weird circumstances and have three different ways of doing things in case one fails."

A man checks the Huawei Honor 5X during Mobile World Congress wireless show in Barcelona, Spain, Tuesday, Feb. 23, 2016. Along with other Chinese phone makers such as Huawei and Xiaomi, Chinese brands have surpassed Samsung in China and are encroaching on Apple