What is the cause of the squeaking noise in my Audi A2's brakes?

I have noticed a consistent squeaking noise coming from my Audi A2's brakes whenever I come to a stop. It doesn't seem to affect the performance of the brakes, but I am concerned that it may be a sign of a more serious issue. Can anyone provide insight on what may be causing this noise and if it requires immediate attention?

The most likely cause of the squeaking noise is worn brake pads. When brake pads wear down, the components of the braking system rub against each other, resulting in a high-pitched sound. It is recommended to get your brake pads replaced as soon as possible to avoid further damage and potential safety hazards.

Another possible cause of the squeaking noise could be a lack of lubrication on the brake pads and calipers. This can occur over time as the lubricant wears off. You can try applying a brake lubricant to the pads and calipers to see if it reduces the noise. If not, it may be necessary to replace the brake pads.

In some cases, the squeaking noise may be caused by a build-up of dust and debris on the brake pads. This can happen more frequently if you frequently drive on dirt roads or in dusty environments. Consider getting your brakes professionally cleaned to see if it resolves the issue before replacing any parts.