Hertz - Help ID this car?

I recently rented a car I really enjoyed driving, but can't remember the details of. It is described as a "CTS 3.6L SUN" on the paperwork has car class YH. Any idea what this was, and if I wanted to get one again, what I'd need to request?

I can't be certain because I'm not a Hertz guru, but my money is that it's a Cadillac CTS:
http://www.cadillac.com/cadillacjsp/model/landing.jsp?model=cts&year=2009

The 2009 model has a 3.6-liter Direct Injection V6 engine.

Edit: Per this thread (http://www.flyertalk.com/forum/showthread.php?t=743032), the Cadillac CTS is in class YH.