37. Which of the following is correct regarding the obligations of a driver who has obtained a conditional driver’s license upon installing an ignition interlock device under the Road Traffic Act?

1. ①A person who has obtained a conditional driver’s license upon installing an ignition interlock device and who drives without registering it with the commissioner of the city or police agency of his/her municipality will have his/her license suspended.
2. ②A person who has driven a vehicle without an ignition interlock device or with such device that fails to meet the installation standards shall be ordered to take corrective measures within one month.
3. ③A person who drives a motor vehicle with an ignition interlock device, etc. knowing that the device is less effective as it was dismantled, tampered with, or otherwise for maintenance will have his/her license suspended.
4. ④After the period of license disqualification due to drunk driving, a person may only drive a vehicle with an ignition interlock device from the time of obtaining a conditional driver’s license upon installing an ignition interlock device.

Source KoROAD Safe Driving Integrated Civil Service, Driver's License Written Test Question Bank [English] (effective 2026-03-09), post 1923, Download the source PDF source PDF page 11 (checked on 2026-09-04). The question and answer are the KoROAD text as published. The buttons and notes on this page were written by the developer and have not yet been checked by a native speaker. The questions and answers themselves are the official KoROAD text.