Driver's license written test question bank, effective 2026-03-09

45. Which of the following is NOT correct regarding the safety rules for hydrogen vehicles?

  1. ①Switch off the vehicle power before charging.
  2. ②Smoking should be done at a distance from the vehicle.
  3. ③When hydrogen gas leaks, request the safety supervisor from the charging station for a safety check.
  4. ④After a traffic accident involving the collision of a hydrogen vehicle, drive the vehicle after undergoing a gas safety inspection.
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Answer ②

The English PDF has no explanation for this question. The Korean page carries the official explanation. Korean version of this question

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 13 (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.