Audi Q8 2019–2025 — technical service bulletin
Bulletin A6423962062828_3 · NHTSA communication 10245640 · issued Nov 16, 2023
Technical service bulletin
communication type
Visibility
component
2019–2025
model years
19
vehicle entries
Official summary
This bulletin provides information for when the rear side windows are milky/cloudy in appearance.
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.