Don't ignore the light. It's telling you to have the brakes inspected.
Replace the brake pads.
Faulty ABS unit .
The brake light in the Audi A4 display means there is an issue with the brake system. The most common cause of this warning light is low brake fluid.
My 99 Audi Quatro 4.2 A6 Avant has a recurring appearance of the ABS light & Brake Warning light. Any Suggestions?
Warning light symbols with explanations for 2003 Audi a4
Audi has a greedy touch by scaring audi owners that their brakes are bad... It's BS
To reset the ABS brake light on an Audi A3, first ensure that the underlying issue causing the warning light is resolved, such as addressing any brake system faults. Then, using an OBD-II scanner, connect it to the vehicle's diagnostic port and clear the ABS fault codes. Alternatively, you can also disconnect the vehicle's battery for about 15 minutes to reset the system. Always refer to the owner's manual for specific procedures related to your model year.
You need to replace the break pads or you can bodge it up by connecting the two wires
To reset the mph warning light on an Audi A4, first ensure that the vehicle is in the "On" position without starting the engine. Then, press the "Menu" button on the dashboard, navigate to the settings or vehicle settings section, and look for the option to reset warnings or alerts. Follow the prompts to clear the mph warning light. If the warning persists, it may indicate an underlying issue that needs to be addressed.
As of 2014, the cost for a Audi A4 brake light is between 12 and 15 dollars. This light can be purchased at stores like Auto Zone.
It will say BRAKE on USA cars depending on the year. Or, it will flash an icon of a brake drum.
In the A4 it's not a warning light, it should actually indicate that your lights are on.