Audi A3 Cabriolet 2017–2018 — technical service bulletin
Bulletin A911943 20539171 · NHTSA communication 10155410 · issued Mar 8, 2019
Technical service bulletin
communication type
Equipment
component
2017–2018
model years
4
vehicle entries
Official summary
This bulletin contains a software update for when the infotainment system sporadically reboots while driving without interaction by the customer.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.