My parents bought me my 2006 Elantra from here back in 07 and I've never experienced such wonderful service. Everyone here is friendly and even if you're just getting something as simple as an oil change, they wash your car and give you a full inspection(and actually go over it with you!). My service rep is Donna and she's always been great, very considerate of my needs and works with my schedule and budget.
One time after getting my alignment fixed it seemed a bit off so I came back the next day and they were able to get me in right away. They fixed it for no charge and the GM went on a car ride with me to double check that i thought everything was up to par.
I'm considering buying a 2011 Sonata and I won't go anywhere but here. I love this dealership and service center.