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

434. Which of the following approaches to driving in heavy rainfall is the least safe?

  1. ①Drive with the headlights and taillights on.
  2. ②Turn on the heater in internal air circulation mode.
  3. ③Check the tires for wear to prevent aquaplaning.
  4. ④Maintain double the usual safe distance on wet roads.
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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 123 (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.