Correct answer
When there is a possibility of dazzling other users.
As soon as there is a possibility of dazzling other users. Article 102 requires avoiding dazzle, including through the mirrors of vehicles ahead. That obligation does not depend on exceeding 40 km/h. In the stated conditions, main beam is used under Article 100 until dipped beam is required instead.
Practice more B licence questions
A 3-minute quick test with exam-style questions. Free, no signup.
All options
Never, because exceeding 40 km/h permits dazzling.
Only when the oncoming vehicle also changes its lights.
When there is a possibility of dazzling other users.
Editorial status: editorially approved. This status does not certify legal review. Report a correction
Share this question
Keep studying
Related questions
- Can a driver's state and behaviour cause distractions?
- When overtaking a cyclist outside built-up areas, what is the regulatory minimum lateral gap?
- At a level crossing, what should you do if the barrier is about to go up?
- If you smoke while driving, can you throw the cigarette onto the road?
- Which are the driven wheels?
- On a carriageway with at least two lanes in your direction, you have passed a lorry and will make another permitted overtake. May you remain in that lane?