Definition
Low beams, also called dipped beams, illuminate the road for about 40 metres ahead without dazzling oncoming drivers. They are mandatory at night and in tunnels, paired with the red rear position lights.
Key facts
- Spanish term: luces de cruce; this is Spanish-law terminology.
- Mandatory at night, in tunnels and in signposted zones.
- Illuminate about 40 metres ahead.
- Standard lighting for night driving in lit areas and when crossing other vehicles.
Practice real questions on this topic
Free DGT 2026 test with exam-style questions and explanations. No signup. Or explore the free DGT test in English hub for everything in one place.
In the DGT exam
- After being overtaken at night, your main beam may dazzle the driver now ahead. Which lighting must replace it?
- In which of these weather situations do the rules permit use of the front fog lights?
- Your vehicle is immobilised by an emergency inside a tunnel and a nearby SOS post is safely accessible. Through which facility should you request assistance without delay?
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