How to fix faulty headlights in the Audi A3?

I've been having trouble with my headlights flickering and sometimes not turning on at all in my Audi A3. What could be causing this issue and how can it be fixed?

Ensure the headlight bulbs are properly connected and not loose. If that doesn't fix the issue, it might be a problem with the headlight control module, which can be repaired by a professional mechanic.

Check for any blown fuses or a faulty headlight switch. Those are common causes for headlight issues in the Audi A3. Replace any blown fuses and consider switching out the headlight switch if needed.

If your headlights are still having issues, it could be a problem with the wiring or the headlight assembly itself. Have a mechanic inspect the wiring and check for any damaged or worn out parts in the headlight assembly.