One problem related to turn signal has been reported for the 2010 Audi A3. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Audi A3 based on all problems reported for the 2010 A3.
Passenger headlight, foglight and turn signal began to repeatedly cycle off and on, then eventually died. Opening fuse box in engine compartment revealed a melted fuse (f16). This same melted fuse problem affects multiple other vw automobiles such as the tiguan, jetta, and golf. There is a recall out on the tiguan only which should be expanded to other models using the same fuse box, irrespective of make/model.