Originally Posted by Rut Dog

I've just updated the opening post.



From the new opening post, as found on the Hertz USAA page, with bolding added:
It's going to be hit or miss, but since the consequences would be so severe for you, I'd recommend you have something showing your USAA affiliation with you.

The thing is I don't think USAA ever sent me an official ID card. I have credit cards, atm cards, insurance cards, but no official member card.