So far (knock wood) I haven't had any warranty issues with mine. But I certainly do sympathise with your situation. Reading the details of all of your past posts though leaves me wondering a little bit how much of your problems can be traced to Toyota defects versus really crappy service. The original problems are obviously defects, but a lot of the reasons you've had to go back seem to be attributable to the service department just doing a terrible job in the first place. The dealer should be stepping up and offering you some kind of compensation here. Since they aren't, I agree that Toyota Canada should recognize that what the dealers do reflects on them, and intervene.
I would suggest that with the trouble you've had at that dealer, you try another for your next service - maybe Bel Air on McArthur or Mendes on Bank. Tell them why you're switching dealerships. It might make a difference.

--My hybrid came home!--
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Randy