How to fix a dead battery in an Audi A4?

My Audi A4's battery is completely dead and my car won't start. How do I fix it quickly and safely?

First, you should try jump-starting your car with the help of a friend or a neighbor. If that doesn't work, you may need to replace your battery.

To replace the battery, you will need to locate it under the hood of your Audi A4. Make sure to disconnect the negative terminal first, then the positive. Make sure to dispose of the dead battery properly.

Alternatively, you can call roadside assistance or take your car to a trusted mechanic for help. It's always better to be safe than sorry.