Really, Miguel!?!
I had a friend who did that in 'the old days', so I tried it then too. Nope,
no comparison, not even close. RainX rules. The only downside I have ever
seen is the tendency to accumulate annoying rubber wiper marks at the end of
the wiper sweep.

Re: the removal question previously: if it really is in fact silicone-based,
then use professional wax and grease remover. This product is used to prep
vehicles in body shops, clears all waxes, silicone, road tar, etc.

Karl

On Thu, 4 Feb 2010 18:18:21 -0700, miguel pacheco <mundopacheco@GMAIL.COM>
wrote:

>Save your money. Wax your windshield with ordinary car wax. Same
>result, less money...........
>Miguel