By TOM KRISHER and MICHELLE CHAPMAN | Associated Press
DETROIT — U.S. safety regulators are turning up the heat on Tesla, announcing investigations into steering wheels coming off some SUVs and a fatal crash involving a Tesla suspected of using an automated driving system when it ran into a parked firetruck in Walnut Creek.
The National Highway Traffic Safety Administration said Wednesday it is launching a special crash-investigation team to probe the Feb. 18 crash involving a Tesla Model S and a ladder truck from the Contra Costa County fire department.
The firetruck probe is part of a larger investigation by the agency into multiple instances of Teslas using the