^yup, a few drops of Johnson's baby soap does the trick. I actually used that same exact kit when I did my windows. The squeegee is great. I ended up using 2 spray bottles worth to do the whole car.
1. I was pretty generous when spraying and
2. I had to redo a couple windows. Did my hatch 4 times and its still not great IMO.
Good luck! Biggest tip I could give from my experience is TAKE YOUR TIME!!!
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2003 SVT focus
Build number: 61 of 3985