yea that beeping sound it is probably a bomb from my guesses so i would evacuate emedeatly and sell your car!
On a 2004 Audi A6, the turn signal flasher is typically located in the fuse box. The fuse box is usually found under the dashboard on the driver's side or in the engine compartment. To access it, you may need to remove a cover or panel. Refer to the owner's manual for specific details on the exact location and identification of the turn signal flasher.
warning lights
Signal lights staying on withot flashing indicates either front or rear signal bulb not working on the Audi
Also a3 red triangle with a circle around it
Replace turn signal flasher
behind the hazard button, its built as complete assembly for Turn/hazard signal
There is a problem with the brakes.
check your brake pads
On the 1998 Audi A6, the turn signal bulb can be replaced by opening the hood. Reach into the turn signal from the fender wall and push in and turn the old bulb to remove it. Push in and turn to replace with a new bulb.
Bulb is burned out.
IT IS LOCATED ON THE SIDE OF THE DASHBOARD JUST AS YOU OPEN THE DRIVER'S SIDE DOOR. IT IS LOCATED ON THE SIDE OF THE DASHBOARD JUST AS YOU OPEN THE DRIVER'S SIDE DOOR.