Originally Posted by homerlex
FYI - I just emailed my service department to see what replacement would be done under warranty for my 2010. He said the part number is 22797218 and the GM document number is 2661395.
He's ordering it and I just need to make an appointment for next week.
Be sure to let us know if it works. I'm not familiar with that part number.
Maybe Gene can chime in.