While it seemed obvious to my 4 year old granddaughter, I did figure out that you shouldn't operate the windshield washer with the top down. And they told me I was too old to learn new things - guess I showed them!
Papa Bear

 

Don't open front window in heavy rain either, water pours in at front corners of roof.

 

You can operate the washer with the top down...just be sure you are going over 25 mph when you do it.

 

yeah haha i've learned not to do that even with the sunroof open, because it sprays that far into the car. And even this morning, it had rained pretty hard last night and there was water all over the roof. I opened my passengers side window because it was hot out, however when i backed out of my driveway, all the water on the roof came pouring inside the car. Being so neurotic, I had to pull over, get the cloth out of my trunk, and clean it up