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November 10, 2021 Service bulletin

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

Audi technical service bulletin A5721862058452_3 for 2019-2021 Audi A4, 2019-2021 Audi Q7 and 2019-2021 Audi S4 and others.

Bulletin number
A5721862058452_3
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.

Owners of these vehicles have filed 15 complaints in the visibility category.

Vehicles covered

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