Audi A3 Etron 2019–2022 — technical service bulletin
Bulletin A5721852064183_2 · NHTSA communication 10202591 · issued Oct 21, 2021
Technical service bulletin
communication type
Structure
component
2019–2022
model years
13
vehicle entries
Official summary
This bulletin contains repair instructions for detached outer door seals.
Vehicles covered
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.