Using Local Rotation, need to set relative rotation on different axis without cancelling out the local

I just saw this, and I want to thank you for the suggestion! It sounds like it could potentially work and I will try it out when I get out of work in the morning! If this works as you describe it may very well solve one of the last big issues in my car setup. I have some odds and ends to tweak but I will be sure to let you know if this works out and I really appreciate you taking the time to answer! I really wish I didn’t have to go to bed now for work! Haha