[img]http://d.yimg.com/a/p/ap/20100407/capt.3eaf039262ac40679ce5f6fbe747c2f8-3eaf039262ac40679ce5f6fbe747c2f8-0.jpg?x=130&y=88&q=85&sig=V1qwRqSzzzrl.fYurSVkCA--[/img]AP - Five days before Toyota announced a massive recall, a U.S. public relations executive at the automaker warned colleagues in an internal e-mail: "We need to come clean" about accelerator problems, according to documents obtained by The Associated Press on Wednesday.