I hate to be the bearer of bad news, but there is no painless way to cancel, with or without ever seeing your down payment. Do not sign n
up with ANY outfit that wants you to pay something to get you out of your timeshare. They'll just take your money and you'll still have the timeshare. If it was me, I'd simply default. Stop paying. Write them and tell them they'll never see another dime from you. They'll threaten to ruin your credit, turn you over to some collection agency, but there is no deed to foreclose on, it's really just a travel club and they can't do much beyond writing letters and calling. I'd cancel any credit cards or bank accounts they might have access to, and consider changing phone numbers. I'm really not versed on how credit reporting works in Canada, but even paying off the Vidanta note as agreed, the ownership is not worth anything.
There are some TUGgers who own at Vidanta and have even bought more weeks, but as an analog to a second luxury home, and I have a feeling you are not in a position to do that at this point in your life. You might call Customer Service at Vidanta- often they renegotiate and buyers like you have come back saying they came to an agreement and would TUG please delete any derogatory comments they had made. We never get the details.
That's my $.02 worth anyway.
Jim