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Service bulletins for the 2012 Audi S4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

795 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Glass, wipers and mirrors are shown. Show all

Bulletins, newest first
A641329 2020552-2017-12-05. Service bulletin. VISIBILITY:WINDSHIELD. Windshield is streaked, has a snakeskin appearance, or its surface feels rough. Residue from industrial fallout as well as normal road dirt and grime may accumulate on windshield.
Fluid Cap Chart2017-11-08. Service bulletin. ENGINE; SERVICE BRAKES; STEERING; VISIBILITY:WINDSHIELD; POWER TRAIN; ENGINE AND ENGINE COOLING. This document contains the fluid capacty chart.
A921510 2038151-2017-10-21. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. Supersedes Technical Service Bulletin Group 92 number 14-09 dated September 12, 2014. The washer solvent level warning is on in the DIS, but the washer solvent level is correct. There is no functional restriction in the windshield washer system. The sensitivity of the washer solvent level sensor (G33) can be affected by the type, concentration, and the presence of additives in the washer solvent currently in the tank. The operation of the level sensor relies on the composition of the solvent to provide an accurate message on the solvent level. Incorrect concentration and the presence of additives can contaminate the sensor and reduce its sensitivity.
A921614 2038151-2017-09-27. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
2012-3-17-20162017-03-16. Service bulletin. VISIBILITY/WIPER; VISIBILITY:WINDSHIELD WIPER/WASHER. "MODIFIED WIPER BLADE CHECK FOR US: WIPER BLADES – CHECK CONDITION AND REPLACE IF NECESSARY (USA ONLY) ADDED WIPER BLADE CHECK FOR CAN: WIPER BLADES – CHECK CONDITION (CANADA ONLY)"

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.