Why does the card need activating? Is it a security thing, in case the card the posted falls into the wrong hands?
So I phone the number they give, 0800 783 5263 and the rest was automated. It asked for the card number, which I gave, and then to ensure that it really was me calling, they asked for my date of birth.
Wait, what? They think this is something known only to myself and HSBC?
No wonder there's so much fraud.