Great Britain Theory Test Coach
Weather and visibilityQuestion 337 of 424

You are overtaking at night. When may you change to main beam?

  1. As soon as you start to pull out
  2. When you are level with the other vehicle, if it will not dazzle anyone
  3. Before you signal
  4. Never, while overtaking
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Correct answer: When you are level with the other vehicle, if it will not dazzle anyone

Keep dipped lights until you are level. Then use main beam only if it will not dazzle oncoming road users.

Source: The Highway Code (Department for Transport, GOV.UK), General rules, techniques and advice for all drivers and riders (103 to 158), Rule 115

Practice weather and visibility

Questions last reviewed: 18 October 2026