How do I change the Audi A6 battery?

I've noticed my car battery is getting weak and needs to be replaced soon. How can I change the battery in my Audi A6?

The battery is located in the trunk on the right hand side. To change the battery, follow these steps: 1. Remove the battery cover. 2. Disconnect the negative terminal using a 10mm wrench. 3. Disconnect the positive terminal using a 13mm wrench. 4. Remove the battery strap. 5. Take out the old battery and replace with a new one. 6. Reconnect the positive terminal, then the negative. 7. Place the battery cover back on.

Always remember to wear gloves and protective eyewear when handling car batteries to prevent any chemicals from getting on your skin or in your eyes.