The advanced version of Tesla Inc’s partially automated driving assistance system, which can also be used in city traffic, is being scrutinized by the US National Highway Traffic Safety Administration (NHTSA). The said on Thursday it is probing the failure of Tesla’s full self-driving (FSD) equipped electric vehicles’ system engineering controls to react appropriately to reduced roadway visibility conditions. The auto safety watchdog is probing about 2.4 million vehicles that include 2016-2024 Model S and X, 2017-2024 Model 3, 2020-2024 Model Y, 2023-2024 Cybertruck equipped with FSD. The prob…