Brake Fluid Reservoir Cover: Notes
WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
Not installed in all vehicles.
The brake fluid reservoir cover has an opening on the left to check the brake fluid level. To prevent damage later, brake fluid must not enter between the brake fluid reservoir cover and the brake fluid reservoir.