Originally Posted by
az3579
Activating the DRLs would just use the highbeam bulb that's already in there. The hole is there to reduce cost between the US and euro models, so they just use the same housing and don't bother making a special one without the hole for cars without the city lights.
I think I saw options in NCS Expert to reduce the brightness of the DRL even further to a lower percentage, which could potentially make it look like city lights. I'll have to play with it to be sure, but if it works, it's a route you can take that'll make it cheaper (free) for a similar effect.