Has your Tesla ever been in the rain?

[NedBevFan]

My MS has gone thru some rain, and I was anxious to get it back home and wash it. There is some dirt on the back now that looks most unsightly - needs a wash again.

But here's a related question: the Tesla owner's manual advises against using a glass treatment on windshield (Rain-X or equiv.), :
Caution: Do not use windshield treatment
fluids. Doing so can interfere with wiper
friction and cause a chattering sound.

However, when driving in rain I have noticed that it is quite hard to see, even with wipers on high.

Has anyone had experience with using Rain-X? Is it more of an issue with Tesla due to type of rubber in blades, or ...?

The chattering is 'normal' if you use the full on treatment. I prefer putting the rain-X enhanced washer fluid. It pits just enough product on to help, without the chatter.