Re: What are you using as windshield washer fluid?
I use this and have never had a problem. I live in the Great Lakes snow belt, so I see plenty of sever winter weather. $1.99/gal, but goes on sail for much less. Autozone.
Mine: 2014 Overland 4x4 V6, ORA II, billet silver/black, Michelin LTX M/S 2's, delivered 4-13-'13
Wife's Jeep: 2008 Compass Sport 4x4