Can Adding Alcohol to Windshield Washer Fluid Prevent Freezing?

[Julie]

Adding alcohol to windshield washer fluid can prevent freezing, but alcohol is a highly volatile liquid. Since the engine compartment reaches high temperatures during operation and the washer fluid reservoir is located there, adding alcohol to the fluid is not recommended. The functions of windshield washer fluid include: 1. Maintaining clear visibility on the windshield while driving; 2. Extending the lifespan of the windshield and wipers; 3. Preventing window icing in winter; 4. Reducing static electricity on the windows. The steps to add windshield washer fluid are: 1. Turn on the wiper switch to spray the existing fluid from the nozzles below the windshield; 2. Once the nozzles stop spraying, open the washer fluid cap and add new fluid; 3. Activate the wiper switch again to clear any remaining fluid; 4. When no more fluid sprays out, refill the reservoir and securely close the cap.