The best signal when driving in the rain on the road alongside other vehicles is, without a doubt, the headlights and taillights. They help the following vehicles see our car more clearly, reducing accidents on the road. The practice for using headlights is as follows:
When turning on the headlights, use the regular lighting mode. If there is fog, you can use the fog lights. However, there is a cautionary note. When driving in the rain, avoid using emergency or hazard lights, as the vehicles following us may not be aware if our car is parked or driving on the road, potentially leading to rear-end collisions.
It is advisable not to use high beam headlights, as they can cause glare for oncoming vehicles, making it difficult to see the road clearly and potentially causing accidents on the road.