Will these bolt straight to my car or do I need to modify anything?

These mount at factory rocker points—no drilling or modification needed. Test-fit before final installation to confirm alignment with your fenders and bumper.

Do the LED daytime running lights work independent of the main beam, or do they come on together?

DRL function operates separately from the main headlight beam. When you turn on your headlights, both systems fire. During daylight, only the LEDs run if your vehicle's wiring supports DRL functionality.

What if I need to replace a bulb inside the housing later?

The projector lens and LED assembly are integrated into the housing. Bulb replacement isn't a field-serviceable job—if a component fails, the entire headlight assembly needs replacement.