U.S. magazine Consumer Reports on Thursday urged Tesla Motors Inc (TSLA.O) to disable its automatic steering function in its Autopilot driving-assist system that's under investigation by U.S. officials.

Also read: US authorities to investigate first fatality of autopilot car's failure

The U.S. National Highway Traffic Safety Administration is investigating a May 7 fatal crash in Florida of a Model S driver who was using Autopilot. Consumer Reports wants Tesla to disable the current system and require drivers to keep their hands on the wheel and to stop referring to the current system as Autopilot.

By Reuters.