I brought mine in today. I hope the warranty covers it, I have 48k miles on my 2009. All I could find was warranty language for California...I live in Arizona, granted, the car was originally bought and maintained in Cali. The service rep called me a little while ago to let me know they couldn't reach the tech line today. At least they're trying. Update when all is said and done. Below is a link to the whine.
Engine Compartment Whine