Where is the fuse 30 on a 2001 Audi a4 1.8t?

In a 2001 Audi A4 1.8T, fuse 30 is located in the fuse box under the dashboard on the driver's side. To access it, you need to remove the cover of the fuse box, which is situated near the steering column. Fuse 30 is typically associated with the power supply for various electronic components, so consult the fuse diagram for specific details about what it controls.