In fact you should never use your hazards when moving unless you need to warn those behind you of danger ahead and you are on a motorway or an unrestricted dual carriageway.
Hazard warning lights on motorway.
They are also called hazard flashers and hazard lights.
You can use your hazard warning lights to warn any vehicles approaching from behind that you are stationary.
Whilst driving on motorways and dual carriageways at high speed reaching hazards or obstructions ahead happens quickly.
When it is recommended to use hazard warning lights whilst driving.
For example if you have to slow down sharply because of a build up of traffic ahead you can use the hazard warning lights to warn following vehicles that they need to slow down.
The only exceptions to this rule are if you are on a motorway or unrestricted dual carriageway and you need to warn drivers behind you of a hazard or obstruction ahead.
When it is safe to do so get out of the vehicle and move behind the barrier.
In new zealand we wouldn t use them on a motorway to warn other drivers that we re slowing down but in the uk this is recommended.
Call for assistance from a motorway emergency phone or using a mobile phone call the gardaĆ.
The highway code also states that hazard warning lights should not be used while driving or being towed.
If your vehicle breaks down on a motorway drive it to the hard shoulder and switch on the hazard warning lights to warn following traffic.
One use of hazard warning lights which is allowed briefly is if you have to stop abruptly on a motorway or unrestricted dual carriageway for an obstacle but there is not a vehicle immediately behind you.
Different countries use hazard warning lights in different ways.
Different countries use hazard warning lights in different ways.
The rules on when you should use hazard warning lights are more limited when you re driving or being towed.