Instruction book Audi A3 Version Year 2013
►Audi A3  ►Controls  ►Instruments and warning/indicator lamps   ◀Warning and indicator lamps
If the indicator lamp flashes, the turn signals are on in towing mode. The trailer must be properly connected ►Link.
If a turn signal bulb on the trailer or vehicle fails in towing mode, the indicator lamp does not flash twice as fast to indicate the bulb failure.

All images, logos and text are property of © Audi. This site has no relationship with the company Volkswagen - Audi Spain nor any of its affiliates worldwide. For more information. To contact the author of this website click here.