Welcome to LGT and as a new poster, you've already contributed some good information. Which brand of scan tool do you have? I've not seen those particular screens although my scan tool is pretty old. I would like to purchase the same tool that you have because I can see a LOT of benefit from being able to adjust most of the things that show up.
As for the a walk through on how to disable the DRL, look here and you'll find out the easy way to disable them:
This is located in the top section of the forums called "Compilation of cheap and/or free Legacy mods
" and you'll find a good amount of information on there for easy and inexpensive mods that will make your Legacy more to your liking. Read through it and I think you'll enjoy the information.