Revision question · Motorway rules

You're driving on a motorway and have to slow down suddenly due to a hazard ahead. How can you warn drivers behind of the hazard?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

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Switch on your hazard warning lights

Switch on your headlights

Sound your horn

Flash your headlights

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Switch on your hazard warning lightsThis was the right answer

Using your hazard warning lights, as well as your brake lights, will give the traffic behind an extra warning of the problem ahead. Only use them for long enough for your warning to be seen.

Reviewed reading for this question

Rule 116Highway Code rule · A brief hazard-light warning can alert following drivers to motorway traffic slowing suddenly.

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