The service department at Seidel Hyundai is the backbone of our dealership. We have certified Hyundai technicians and a top class customer service and parts department to help serve you best. Seidel Hyundai is the first choice for people looking for the "complete package" in auto repair and maintenance. The service department at Seidel Hyundai is the backbone of our dealership. We have certified Hyundai technicians and a top class customer service and parts department to help serve you best. Seidel Hyundai is the first choice for people looking for the "complete package" in auto repair and maintenance.