source An Apple engineer who died when his Tesla Model X hit a concrete barrier on a Silicon Valley freeway had complained before his death that the SUV’s Autopilot system would malfunction in the area where the crash happened. The complaints were detailed in a trove of documents released Tuesday by the U.S. National Transportation Safety Board, which is investigating the March, 2018 crash that killed engineer Walter Huang. The documents say Huang told his wife that Autopilot had previously veered his SUV toward the same barrier on U.S. 101 near Mountain View, California where he later crashed. Huang died at a hospital from his injuries. “Walter said the car would veer toward the barrier in the mornings when he went to work,” the Huang family’s attorney wrote in a response to NTSB questions. Huang also described Autopilot’s malfunctioning to his brother, the attorney wrote, in addition to talking with a friend who owns a Model X. Huang, a software engineer, discussed