When are you allowed to use hazard warning lights?

A: When stopped and temporarily obstructing traffic

B: When travelling during darkness without headlights

C: When parked on double yellow lines to visit a shop

D: When travelling slowly because you're lost

Hint

You mustn’t use hazard warning lights while moving, except to warn traffic behind when you slow suddenly on a motorway or unrestricted dual carriageway.
Never use hazard warning lights to excuse dangerous or illegal parking.

When are you allowed to use hazard warning lights?

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Before driving through a tunnel, what should you do?

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You’ve broken down on a motorway. When you use the emergency telephone, what will you be asked for?

You’re driving on a motorway. When can you use hazard warning lights?

At an incident, someone is unconscious. What would your priority be?

Additional menu

When are you allowed to use hazard warning lights?

You may also be interested in these theory test questions

Before driving through a tunnel, what should you do?

You’re driving through a tunnel and the traffic is flowing normally. What should you do?

You’re at the scene of an incident. Someone is suffering from shock. How should you treat them?

You’ve broken down on a motorway. When you use the emergency telephone, what will you be asked for?

You’re driving on a motorway. When can you use hazard warning lights?

At an incident, someone is unconscious. What would your priority be?