Windshield washer fluid?

I hate mixing fluids, wonder what Mr. Toyota put in the bottle? I could run it all out and start with something more magical for cold winter slush use. Seems like dealers all sell aftermarket for replenishables, I've had them try to sell me green coolant.

Splash Windshield Washer, 1 gal., Plastic Bottle, Summer Blend, 32

How to Fill Windshield Wiper Fluid

Qwix Mix Qwc-8 oz. Biodegradable Windshield Washer Fluid Concentrate, Silver

MegaWatts. Prestone All Seasons Windshield Washer Fluid 3-in-1 1

Kristall Klar Windshield Washer Fluid Concentrate Makes 55 Gallons

Rain X DeIcer - Freeze protection to -30F - Melts frost, snow and light ice faster - Eliminates refreeze on windshield and wiper blades - Instantly

Rain-X® -30 Degree De-Icer Windshield Washer Fluid

SPLASH 1-Gallon Windshield Washer Fluid in the Windshield Washer

Genuine BMW 83-19-2-361-205 BMW Windshield Washer Fluid w

Are All Windshield Wiper Fluids the Same? - Carencro Automotive

Our 3-in-1 windshield washer solvent waterproofs your windshield to prevent rain, sleet and snow from sticking. Removes insect debris, oily films,

Meijer 3-in-1 Windshield Washer Solvent, 1 Gal

Peak 32 deg Windshield Wash/Bug Cleaner 1 gal - Ace Hardware