Also Read: Mahindra and Mahindra's Telangana plant to roll out electric vehicles from next year The SEC probe is to determine if the electric car-maker flouted its rules in promoting its full-self driving (FSD) and Autopilot software. In September last year, a Tesla owner sued the electric car maker, saying the company and its CEO are "deceptively and misleadingly" marketing the Autopilot and "Full Self-Driving" software. Musk had come under heavy scrutiny on the controversial Autopilot advanced driver assistance system that has allegedly killed many, with both federal and state regulators turning up the heat on the electric car-maker. The National Highway Traffic Safety Administration (NHTSA) upgraded its investigation from a preliminary evaluation to an engineering analysis, asking Tesla to answer questions about its cabin camera as part of a probe into 830,000 vehicles that include Autopilot. (With IANS Inputs)