A: When driving on a motorway to warn traffic behind of a hazard ahead
B: When you're double-parked on a two-way road
C: When your direction indicators aren't working
D: When warning oncoming traffic that you intend to stop
View hint
Hazard warning lights are an important safety feature. Use them when driving on a motorway to warn traffic behind you of danger ahead.
You should also use them if your vehicle has broken down and is causing an obstruction.
