Why does my Audi A1's engine produce a whistling sound?

I noticed that whenever I accelerate, my Audi A1's engine makes a high-pitched whistling sound. Is this normal or is there something wrong with my car?

The whistling sound could be caused by a few different issues, such as a loose belt or a leak in the air intake system. It's best to bring your car to a mechanic for a proper diagnosis and to prevent any potential damage to your engine.

In my experience, a whistling sound from the engine is not a good sign. I recommend bringing your car to a trusted mechanic as soon as possible to get it checked out.