[Hyundai and Kia 'safety defect' recall ranks 1st at 71%... BMW at 2nd with 7%] In the analysis by defect device, domestic cars accounted for △electric devices 2,011,877 units (23.7%) △braking devices 1,987,626 units (23.4%)... - "If we combine the top two items regarding the status of defect devices in domestic cars, it accounts for 47.1% of the total, meaning that essentially one in two cases involves electric or brake issues."