Lights and Signals in the Netherlands Explained Simply

Lights and signals are a common Dutch theory exam topic because many learners confuse dipped headlights, high beam, fog lights, daytime running lights, and warning signals.
This guide explains the most important lights and signals rules in the Netherlands in a simple way for Category B theory practice.

Key rules in 60 seconds

Detailed guide

1) Dipped headlights are the basic rule at night

• For normal motor vehicles, dipped headlights are the standard choice at night.
• They must also be used during the day when visibility is seriously restricted.
• Many learners know this rule, but still lose points when the exam adds fog lights, DRL, or high beam into the situation.

2) High beam is useful, but only when it does not dazzle

• High beam helps you see further in darkness, but it is not allowed in every situation.
• You must not use it during the daytime, in the presence of oncoming road users, or when following closely behind another vehicle.
• This is a common exam trap because learners focus on “night = high beam” and forget the exceptions.

3) Front fog lights are for seriously reduced visibility

• Front fog lights may be used when visibility is seriously reduced because of fog, snow, or rain.
• In those conditions, you do not need to have dipped headlights on at the same time.
• The key point is not “bad weather” in general, but seriously restricted visibility.

4) Daytime running lights are not the same as normal headlights

• DRL may be used during the day, but they are not a full replacement for proper lighting when visibility becomes poor.
• They are lights at the front of the vehicle and are not on together with the other front lights.
• This is why learners should be careful with exam questions that compare DRL, dipped beam, and fog lights.

5) Horn and flashing headlights are not for showing annoyance

• In Dutch traffic rules, the horn or flashing headlights may only be used to warn of emergency situations.
• You should not use them just to pressure another driver, say hello, or show impatience.
• This is one of the easiest theory questions to get wrong because many people think about real-world habits instead of the legal rule.

6) Rear lights matter too

• When dipped headlights, high beam, sidelights, or fog lamps are on, the rear lights and rear registration plate lights also come on.
• This matters because some learners think only about what helps them see forward, while the rules also protect visibility from behind.
• Lighting is not only about your own sight, but also about being seen by other road users.

7) Why these questions go wrong so often

• Learners often confuse:
• dipped headlights with high beam
• front fog lights with normal headlights
• daytime running lights with full night-time lighting
• legal warning signals with informal road behaviour

8) Best method for lights and signals questions

• Step 1: Check whether it is day or night.
• Step 2: Check visibility: normal, poor, or seriously restricted.
• Step 3: Check whether there is oncoming traffic or a vehicle directly ahead.
• Step 4: Decide whether the question is about seeing, being seen, or warning others.
• Step 5: Choose the legal light or signal, not the habit some drivers use in practice.

Common mistakes to avoid

• Using high beam near oncoming traffic.
• Thinking DRL is enough in seriously reduced visibility.
• Using the horn or flashing headlights for non-emergency reasons.
• Forgetting that front fog lights depend on visibility, not just the weather itself.
• Answering from habit instead of from the legal rule.

FAQ

Relevant Dutch law

• RVV 1990, Art. 28: horn and headlight signals may only be used to warn of emergency situations.
• RVV 1990, Art. 32: dipped headlights are required at night and in seriously reduced visibility; high beam has important exceptions.
• RVV 1990, Art. 34: front fog lights may be used when visibility is seriously reduced by fog, snow, or rain.
• RVV 1990, Art. 41: daytime running lights may be used during the day.