Tesla is recalling nearly 579,000 vehicles in the US because a "Boombox" function can play sounds over an external speaker and obscure audible warnings for pedestrians.
The recall is the fourth made public in the last two weeks as US safety regulators increase scrutiny of the nation's largest electric vehicle maker.
In two of the recalls, Tesla made decisions that violate federal motor vehicle safety standards, while the others are software errors. The National Highway Traffic Safety Administration says on its website Thursday that the cars and SUVs have what Tesla calls a "Boombox" function that allows drivers to play sounds while the vehicles are moving.
