How do I change a tire on an Audi A4?

I need help figuring out how to change a flat tire on my Audi A4. I've never done it before and I want to make sure I do it correctly and safely.

First, locate the spare tire and the tools needed in your car's trunk. Then, jack up the car and loosen the lug nuts before fully raising the car. After removing the lug nuts and tire, replace it with the spare and tighten the lug nuts in a star pattern to ensure equal distribution of weight.