I imagine different manufacturers probably use different methods.
Someone with the same RV may be able to help but we have no idea what you own. Please create a signature or put the info in your profile.
If you can do it, a picture would really help.
Build a life you don't need a vacation from.
2016 Silverado 3500HD DRW D/A 4x4
2018 Keystone Cougar 26RBS
2006 Weekend Warrior FK1900