How to add a new key to Audi A1 Smart Key?

I recently bought a used Audi A1 and the smart key only has one programmed key. I want to add an extra key in case I lose one. How can I easily add a new key to my Audi A1?

To add a new key to your Audi A1 smart key, you will need to have access to the vehicle's diagnostic system. Connect the diagnostic system to the vehicle's OBD II port, locate the key programming function, and follow the on-screen prompts to add a new key.

You can also add a new key using the manual method. Start by inserting the original programmed key into the ignition and turning it to the ON position. Then quickly insert the new key and turn it to the ON position. Wait for a beep sound and then remove the new key. Repeat this process for each new key you want to add.