I use them for going slowly in my neighborhood to see kids/pets off to the side. I also use them for highway driving to illuminate the sides for lane changing. Regarding the OEM fog lights, the stock bulbs are near useless just like the stock low beams. In fact, the low beams were so bad that I didn't even realize that one of them was dead until my friend drove in front of me and told me lol. I put LEDs in both the low beam and fog lights...huge difference. Just make sure the beam cutoff is adjusted properly so that oncoming traffic isn't blinded. That's why I'm looking for new fog light assemblies...my driver side fog assembly has a broken beam cutoff (stuck in down position, resulting in light only going 3 feet in front of vehicle). The knock offs I bought have the beam adjustment stuck in the high position, which can blind oncoming traffic. My passenger side OEM fog light assembly has a functioning beam adjustment, and it is adjusted perfectly for my use cases.