I had the same question with some research I found out that my Jayco had a Carefree manufactured awning. There manual states that luke warm water and soap is all that is needed to clean the awning. They advise against harsh chemicals. My awning is 2010 and later.
2013 Ford Explorer 4WD, GVWR 6160, GCWR 10160, Max Tongue Wt 500#, Reese WD Hitch 66151
2012 Skylark 21FBV, GVWR 3500, New July 2013
N Scale Model Railroader
Family History Researcher
Former Canoe Camper & Retired Airline Pilot