►Audi A6 ►Controls and displays ►Instruments and warning/indicator lamps ◀Warning and indicator lamps
If the indicator lamp 
lights up, a light bulb has failed. The message indicates the location of the bulb. If the indicator lamp 
also lights up, a rear fog light bulb has failed. The position of the indicator lamp matches the position on the Audi A6.
lights up, a light bulb has failed. The message indicates the location of the bulb. If the indicator lamp also lights up, a rear fog light bulb has failed. The position of the indicator lamp matches the position on the Audi A6.Drive to a qualified workshop without delay and have the fault rectified.
Audi A6 lights: malfunction
There is a fault with the headlights or light switch.
Drive to a qualified workshop soon and have the fault rectified.