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

463. Which of the following is a correct statement regarding the glare effect (cases wherein you are unable to see ahead due to the glare from the vehicle’s headlights) during nighttime?

  1. ①The glare effect will disappear if you turn off your headlights immediately when it occurs.
  2. ②The glare effect frequently occurs when two vehicles facing each other both have their high-beam headlights on.
  3. ③The glare effect tends to occur when driving through busy downtown streets at nighttime.
  4. ④The glare effect refers to the condition of momentary invisibility caused by bright lights upon entering a tunnel at nighttime.
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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 132 (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.