I have had my 99 Vantare H3-45 for 4 months and have a question about the best way to level or leave your coach. I have HWH leveling, and will use auto level or sometimes manual if I am only staying a few days. I wondered under what circumstances do you dump all the air? Would this be when you are completely level and or leaving the coach for several weeks. Was wondering what other people do and what is best for the bus air system. Thank's for the help. Still new... W