Your parents may be carrying a hefty debt load. It may get to the stage where they're having trouble even meeting minimum payments. Although you may feel bad, you're probably wondering if you're in any way responsible for making those payments for them.
In short, the legal responsibility in British Columbia is not yours. However, there are some instances where this issue could get a little cloudy. When it gets dicey is when you might have signed for any debt incurred, even if the purchase wasn't for you and you didn't directly benefit from it.