Golf Mk3 Noise inside dashboard. PLS HELP!

Hello hi, I have a problem, it’s not noise it sounds like a small motor.
When i turn my battery on. but not the engine, i get that sound
It stays like that all the time until i turn off battery or car
Stays while driving

Here’s the link of my issue: https://youtu.be/eQtpnpCkQ54

Pls help