Win at your theory test and get your driving licence faster. Start studying today!

Additional menu

When are you allowed to use hazard warning lights?

When stopped and temporarily obstructing traffic
giphy
When travelling during darkness without headlights

When parked on double yellow lines to visit a shop

When travelling slowly because you're lost

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.