A host of Audi A6, A7, and both S and RS models need to be returned to dealerships in the United States for an easy fix related to the brake fluid reservoir cap.

Volkswagen Group of America has revealed that a total of 7,499 vehicles sold by Audi in the U.S. were incorrectly fitted with a European-specification brake fluid reservoir cap, rather than a U.S.-spec one.

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We have absolutely no idea how the European and U.S. caps differ from each other but the VW Group’s filing with the NHTSA says that if the owner of a vehicle does not understand the markings on the cap, then it is possible that they could use incorrect fluid. If the incorrect fluid is put into the brake system, then it could increase the risk of a crash and means subject vehicles do not comply with U.S. safety standards.

 Certain Audi Models In The U.S. Have Euro-Spec Brake Reservoir Caps

The recall impacts 2021MY Audi S7 models built between January 12, 2021, and March 31, 2021, 2021MY S6 Sedans built from January 12, 2021, to April 13, 2021, 2021MY Audi RS7s made from January 11, 2021, and March 31, 2021, and 2021MY RS6 Avant models built from January 12, 2021 to April 1, 2021. The recall also impacts 2019-2021MY A7s made from July 27, 2018, to April 12, 2021, 2019-2021MY S6 Sedans made from August 7, 2018, to April 8, 2021, and ends with 2021MY A6 Allroads built between January 12, 2021, and April 14, 2021. The most widely impacted vehicle is the 2019-2021 S6 Sedan, accounting for 4,681 of the 7,499 vehicles recalled.

Both Audi dealerships and owners will be notified of the recall on or before October 2017. Dealers will inspect the brake fluid reservoir cap and simply replace it free of charge if necessary.

 Certain Audi Models In The U.S. Have Euro-Spec Brake Reservoir Caps