Hello Ramona, We encourage you to visit your local authorized Hyundai dealership for further inspection and assistance.  If you have any questions or concerns about Hyundai vehicles, please contact our customer connect center at (800) 633-5151. Thank you ^cc. 

Hi Paula, we are sorry to hear about your experience with your vehicles and the dealership. We encourage you to visit your local authorized Hyundai dealership for further inspection and assistance regarding shaking of the vehicle. If you have any questions or concerns after the dealership visit, please contact our customer care center at (800) 633-5151. Your feedback will help us in identifying the areas where we can improve overall driving experience and durability of our vehicles. Thank you for your feedback. ^cc