As you would imagine, I was quite surprised and appalled at the fact that they were not aware of it. I did a follow-up with my U.S. counterpart. Toyota Canada's position was that it just came to them from Japan. The United States gave me the exact same answer. The Office of Defects Investigation in the United States was contacted in the same timeframe and received the same story from Toyota U.S.
On March 11th, 2010. See this statement in context.