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When should you use hazard warning lights?

Question 8 of 45 in the free class B mock exam · The vehicle.

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Question 8 of 45 · The vehicle
The hazard warning switch
The hazard warning switch

In which situation should you use hazard warning lights?

AWhen you are legally parked along the road at night in a well-lit street
BWhen driving through a long tunnel, so that others see you better
COn a breakdown or unusually low speed, when the car endangers others
DWhen you are queueing at normal speed on a multi-lane motorway

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The right answer and the explanation are free with an account – along with the rest of the 45-question mock exam. Read about the theme: The vehicle

Right answer and explanation

Right answer: C. On a breakdown or unusually low speed, when the car endangers others

Hazard warning lights should be used to warn other road users that the vehicle poses a particular danger, for example due to engine failure, an accident, or unusually low speed.

Source: Trafikkreglene § 15 (Bruk av lys)