For those with the four-way water control valve on the drivers side, outside, there is a 'winterize' position. I used to have the general schematic of this valve but have misplaced it, but it can be found on the valve manufacturers website. It would come in handy understanding what parts of the water system are engaged or disengaged depending on the setting, including 'winterize'. I believe this valve was installed starting in 2013 (model year 2014), and was not documented in my PC manual anywhere. - Mike
I'm so jealous. We bought early 2013, probably just before the new models came out so we don't have that nifty valve. It would sure making filling the fresh water tank a whole lot easier. Plus it would move the antifreeze job to John's side of the coach instead of in-house with me. I've gotten good at it though. Phoenix has the little hose hooked up under the bed already so it is quick and easy to pop it into the antifreeze jug, open the valve, and start the process.