I have used car wax in the past on my windshield. I have also used Rain-Ex at times. Are either of these good to use? Will either harm or spot the windshield? A couple of my cars have ended up with pitted or spotted windshields. What am I doing wrong? What should I use? I like the way the Rain-Ex makes the water and dirt and bug guts sheet off, but I haven't seen anyone recommending it in this forum. In fact, I haven't read any posts discussing care of the windows and windshield. Any help would be appreciated. I've got a brand new windshield on my brand new S2K and don't want to screw this one up!

 

For the back window, use PLEXUS, nothing else. It's the best and it roxx. I doubt you are harming the window now, but continued use of a product that isn't targeted for a certain area (wax on a window) doesn't seem like a good idea to me. You can find plexus at your local boating store or motorcycle shop or airport or even PetsMart (or something like it w/aquariums)

 

I think SC was talking about the windshield, not the back window.

I have Rain-X on my windshield and I am not yet convinced of the benefit. I don't know if it was my crappy application or the way the wind flows over the windshield, but water does not sheet off. It kind of beads up and sits there. It is less streaky when I use the wipers, though.

As for protecting your windshield, I say give up. The car is low to the ground, the windshield is soft and the angle steep. Rocks are drawn to it and it chips quite easlily. Some have installed non OEM glass, but I haven't seen any opinions posted.

My advice would be to spring for the windshield coverage through your insurance. It will be used.

 

[QUOTE]Originally posted by Nin009
[B]I think SC was talking about the windshield, not the back window.

I have Rain-X on my windshield and I am not yet convinced of the benefit.

 

I've been using Rain X for approx. 8+ years on various cars/trucks (glass aplication only!!). Verry happy with the product. It works best with a fresh application and med/heavy rains. If it's just misting, or your in traffic (with spray from the other cars), you will have to use your wipers occasionaly.

 

I've used rainx in the past with good results, too. However, I ran out recently and (on a whim) tried the Plexus on the windshield. I allready use it on the rear window, head and tail lights and bumbers...so I figured what the heck...can't hurt. It seems to work just as well as rainx. One less bottle of stuff to keep track of too.

 

In my experience, RainX is an excellent product when used and applied according to the manufacturers instructions.

Windshield must be absolutely clean before first application. Use alcohol and rub hard.

Apply it twice (just like it says on the label).

The first application is the most important (subsequent applications are additive, that is, it desolves the current coating as you apply the next coat).

If you have trouble getting all the haze off, use a spray bottle to spray a fine mist of water on the glass and buff with a clean dry cloth.

The product works best on windshields whith a severe back slope and speeds above 40 mph. Driving at night in the rain at highway speeds is almost spooky (you can see the water comming off the big truck tires, but it seems not to even hit your windshield)

It worked better on my last two Preludes that it does on my S2K because the S2K windshield is more upright and doesn't get the air flowing up the glass the way the preludes did.

You can tell when you need to re-apply when you can see a marked difference in the speed of the water droplets as they move from the wiper-swept area to the unswept area of the windshield. If the droplets "speed up" when they move into the unswept area, it's time to re-apply. The more you use your wipers, the more often you will have to apply the RainX.

 

Thanks for all the good information everyone! Looks like I need to find another bottle of RainX and start using it again. I guess I'll steer away from using the Plexus on the windshield for now since it really isn't intended for glass. Maybe I'll try it out on my old POS Ford Explorer first. Anyway, thanks for all the info and recommendations. This is a great forum!