Theory questions
What is the smallest permitted tread depth on winter tyres in winter conditions?
“In winter road conditions during the period 1 December–31 March, the tread depth must be at least 3 mm.” (Swedish Transport Agency)
Useful links:
- Tread depth (Körkortonline.se)
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Körkortonline.se offers driving licence theory tests in English (free demo test), Swedish (free demo test). This is an example of an explanation of a test question.
There is also a driving licence book online (2026).
More examples of explanations:
- Should you change summer tyres if their tread depth is 2.7 mm?
- Is it permitted to combine non-studded winter tyres with studded tyres?
- When are you required to use winter tyres in winter conditions?
- When are studded tyres forbidden, other than in existing or expected winter road conditions?
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- Do you have an obligation to give way to any vehicles that come from the right at the junction shown at the end of the video?
- At the end of the video, a junction can be seen further ahead. Is it possible that you could have an obligation to give way to intersecting traffic there?
- What is the function of the fuses in the car?
- You are planning to continue to follow this road for several kilometres. Should you change to the right-hand lane at the red arrow?
- Are there any risks involved in trying to start another car with jumper cables?
- Which statement is true at the red arrow?
- Are you permitted to stop at the red arrow in order to drop off a passenger?
- You have rented a light lorry and this is what you see when you go to fill up the tank. Which of the following pumps do you pick?
- Which of the following is applicable to catalytic converters and cold starts?
- What proportion of the harmful substances does the catalytic converter filter out?
- Which are the two substances primarily produced by a functioning catalytic converter?
- What does it mean if this symbol lights up on the dashboard?
- What does it mean if this symbol lights up on the dashboard?
- You have just stopped by a guarded railway crossing. To your right on the railway track, you see a long freight train approaching slowly. How should you react?
- What does it mean if this symbol lights up on the dashboard?
Category:
- Theory questions: Vehicle
- Theory questions: Environment
- Theory questions: Traffic safety
- Theory questions: Traffic regulations
- Theory questions: Individual circumstances
- Theory questions: Road signs
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