How do I perform a diagnostic scan on my Audi A4?

I recently purchased a used Audi A4 and would like to perform a diagnostic scan to check for any potential issues. Can someone explain the steps to perform this on my own and if there are any special tools required?

To perform a diagnostic scan on your Audi A4, you will need to use a diagnostic scanning tool specific to Audi vehicles. These can be purchased at most auto parts stores or online. Once you have the tool, simply plug it into the diagnostic port, located under the dashboard on the driver's side, and follow the prompts on the screen to initiate the scan.

There are a few different diagnostic scanning tools available for Audi vehicles, but one of the most highly recommended is the VAG-COM VCDS tool. It is specifically designed for Audis and provides detailed information on any potential issues or faults with your vehicle. Additionally, it can also be used to make changes to certain features of your Audi, such as coding and programming.