When he attended design preview meetings for the Genesis luxury sedan, Hyundai Motor heir-apparent Chung Eui-sun suggested features he'd seen on high-end European rivals, such as a pop-up navigation screen and a gearshift that rises and retracts. But the ideas faced opposition from engineering chief Yang Woong-chul, who was worried about the technology, and Chung did not insist, said a person who sat in the monthly meetings.