All vehicles today are fitted with electronic indicator lights primarily for safety purposes. Some automobile brands are taking further steps in developing more advanced indicator light technology. Whatever you choose to call it, Harzard lights, Double pointer lights or Trafficator lights. This feature is very crucial to all cars and should always be working. Uses of the Hazard lights include.

Please follow the link below to read more:
https://www.spotdem.com/2021/07/11/uses-of-hazard-lights/

In Nigeria, it's used for all unrecognised reasons.......

- Passing one way
- Facing oncoming traffic
- During rain
- Moving in a convoy

And many more I fail to remember........

Well over here in shithole, it either a yahoo boy who is a learner ,a drunk yahoo boy again,or just to show off when driving esp drunks,I saw two es 300 one was left hand the one at the back was right hand. They were doing bumper to bumper on a narrow dual road riddled with potholes. If only they saw dsngote truck

It's used for convoy driving.