Mark Steines is helping you prevent an icy windshield with these easy instructions.
De-Icing Your Car - Home & Family
A combination of three parts white vinegar to one part water sprayed on the windshield and windows and wiped off will keep ice from developing.
DIY-combine 3 parts white vinegar, 1 part water: mix in spray bottle
TIP: Vinegar will remove the wax from painted surfaces if left on a long time
TIP: Spray to glass only and wipe away any excess or overspray.