What is AHO or DRLs, what do they do?

Auto headlamp On or Daytime running lights (AHO DRL both are two different names) are used on cars so that they work even in the day. These are done so that your headlamps are always on. This works the best when the weather is cold and foggy.

It helps to detect an oncoming car. It was first made compulsory in Scandinavian countries as it is foggy or dark most of the times due to cloudy weather. Soon this trend was carried forward into other countries also and now it has made its way into India.

With the headlights being on, it is easy to detect if anyone is coming from the opposite direction. AHO can be helpful to avoid direct collision. Also, what is done here is that most of the headlamps run at low power in the day or in default mode, on most of the cars to reduce the load from the battery. This isn’t seen on motorbikes or scooters. As most of the time the light is on at full power. In this way the headlight always stays on. There are several companies that are using LEDs for AHO/DRLs.

This way, the power that it eats is lesser. Then the white LEDs are easily visible from far. At the same time, they do not generate very little heat when compared to the regular bulb.

So, most of the car and bike companies are moving to LEDs. Most of the scooters still have bulbs instead of LEDs as they are cheaper to procure. This makes it a good way to make decent money.

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Hope, we were able to answer all your queries on AHO DRL. Both are different terms with the same meaning. AHO has been made compulsory in India by the government on all new two-wheelers that are sold after 1^st April 2017. This is one of the norms that have been levied. The second one is the BS-4 engine norms. These have been levied on all new bikes that will be sold in India from now on. These are done to reduce pollution and improve the safety of the people.