Originally Posted by
mudpuppy
Be careful with this. I was asked to show both my Diamond card and ID at the valet at my last CET stay (this was at Rio which doesn't even charge for valet parking.) The valet was very apologetic to even have to ask, but I told him I totally understand. It was on New Years Eve, though, so that may have played a role.
Fare enough, you're right. I assumed OP just meant regular parking, which just requires diamond card to swipe. Valet is a hit or miss. I get asked ID only a handful of times.