Audi TSB #A5721862058452_3

2020 Audi S4

TSB Document:

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

Summary
This bulletin contains repair instructions for when the rear window defog button will light up and then turn off.

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Date Published
NOV 10, 2021
NHTSA TSB #
10203478
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