How do I update the navigation system in my Audi A4?

I recently purchased a pre-owned Audi A4 and would like to update the navigation system to the latest version. Can I do this myself or do I need to take it to a dealership?

You can easily update the navigation system in your Audi A4 by following these steps: 1) Insert the SD card with the latest version into the SD card slot 2) Press the NAV button on your Audi's dashboard 3) Select 'Update map' and follow the prompts on the screen. It's a simple and quick process that you can do yourself without the need for a dealership.