Over-the-air updates present challenges—but ignoring OTA could prove worse

OTA update technology has already reached the road, in limited numbers. Mass rollout could solve the problem of costly, unsafe recalls, but it must be secure. By Xavier Boucherat

One of the many issues that has seen Tesla make headlines is its early adoption of over-the-air (OTA) update technology, with the automaker delivering a steady stream of updates for features such as autopilot and human-machine interface. A recent application addressed concerns around braking distances on the Model 3, which were criticised for being too long. The company released an update within days of a Consumer Reports publication, which improved performance by 19 feet (5.8 metres)….

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