Do turrets emit enough light that they can reasonably kill you if you do not hug the walls and are not carrying a light-source? Still, having night-vision marked as unlit space wouldn’t really be terrible. The aesthetic would be all off for people who rely upon it, but the loss of definition would not seem to be particularly inappropriate for what seems to be regarded as an extremely powerful ability that likely functions using unnatural mechanisms.
On the other hand, the problem seems to be that turrets are actually a potential threat. Maybe you just need to stop picking on poor defenceless turrets and start giving them a fair fight? It is bad enough that they cannot move…
Is it time for infra-red, ultra-violet, sonic, doppler, L.A.S.E.R., pressure, anomaly-sensing, and gravity based-sensors? A turret that shoots at any sounds associated with firearms could be amusing…