The Ford ad didn't say it was Midler, they just implied it by using her song with a soundalike. There was another similar case with a parody ruled as impersonat

The Ford ad didn't say it was Midler, they just implied it by using her song with a soundalike. There was another similar case with a parody ruled as impersonation. I don't think there's good precedent for exactly where that line is drawn.