what does this dash display mean (o) thers a beep followed,,i have no manual on 1999 Audi A6 Quattro

i have no manual and do not know what this display means..(O)

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers
That means your car needs new break pads.
brakes need to be replaced or your sensor got disconected on your brake pad