Hi and welcome to the forum. Congrats on your new rig too!
Are your manuals missing? Hopefully someone with a similar rig will chime in soon, otherwise a call to Winnie will get you an answer in a heartbeat... assuming they aren't after market air bags.
Best of luck...
Rick, Nancy, Peanut & Lola our Westie Dogs & Bailey the Sheltie.
2007 Itasca Ellipse 40FD