The investigation into the summons feature likely comes as a blow to Tesla, which has been trying to advance its driverless capabilities lately. In a somewhat controversial move, Tesla's summons feature relies on a camera-only approach, as opposed to competitors using lidar, radar and cameras for driverless capabilities.

The 16 incidents span the use of Tesla's smart summon feature in the following models: 2020-2025 Model Ys, 2017-2025 Model 3s, and Model S and Model X made from 2016-2025. All told, the NHTSA's Office of Defects Investigation says this totals some 2.