Contact Corrosion
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 Audi S4, 2015 Audi S4, 2014 Audi S4, 2013 Audi S4, and 2012 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
Contact corrosion can occur if non-approved fasteners (bolts, nuts, washers, etc.) are used.
For this reason, only fasteners with a special surface coating may be installed.
In addition, rubber or plastic parts and adhesive are made of materials that do not conduct electricity.
If there are doubts about whether parts can be used or not, then use new parts.
NOTE:
Original replacement parts are recommended because they have been tested.
It is recommended to use Audi accessories.
Damage resulting from contact corrosion is not covered by the warranty.