How do you refill windshield wiper fluid in an Audi A4?

I recently purchased an Audi A4 and I am not sure how to refill the windshield wiper fluid. Can anyone provide step-by-step instructions?

To refill the windshield wiper fluid in an Audi A4, follow these steps:
1. Open the hood and locate the windshield washer fluid reservoir.
2. Unscrew the cap and pour in windshield washer fluid until it reaches the fill line.
3. Securely screw the cap back on.
4. Test the wipers to ensure they are spraying properly.