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

438. Which of the following is NOT a safe method of driving on a foggy road?

  1. ①Turn on the sidelights, taillights, and headlights to indicate your position to other drivers.
  2. ②Turn the high-beam headlights on to indicate your position to oncoming traffic.
  3. ③Maintain a safe distance and reduce speed.
  4. ④If moisture is formed on the windshield, use the wipers to secure visibility.
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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 124 (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.