It seems the main settings to mess with are "exposure time" and gain.
In my test without trying to tune anything else 1/2000 exposure with 0 gain actually did the best with the light test in that it came closest to being able to make out the details of the bright light itself and the surrounding enclosure as about like the human eye can. No matter what I tried though (even going up to 1/100,000 exposure with zero gain) I couldn't get it to make out the details on the brightest part of the bulb itself as my human eyes can a bit. Of course at this exposure time objects in the background other than the light are pretty much pitch black or dark gray shadows at best.
It was an interesting exercise to see how changing the settings make a difference and pretty educational at least.
For being able to see objects around headlights it looks like (using 0 gain) an exposure time somewhere between 1/500 to 1/1000 will work best. Possibly as low as 1/250. Of course without the bright lights (headlights) and in the areas outside of that area you'll get barely anything.
Note all these tests were with the IR LED OFF but night vision settings otherwise.
It will be interesting to see what works best in live tests tonight or tomorrow night.
even tho the hiks require a plugin to view the video, you can configure them from most any browser/platform
It mostly works but for example the settings for "image" do not stick. It generally saves only when there is a SAVE button present. For settings without it, it seems to autosave using the required plugin.