Tire Pressure, Checking And Adjusting If Necessary: Notes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S6, 2018 Audi A6 Quattro, 2018 Audi A6, 2017 Audi S6, and 2017 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Tire valves must be sealed with valve caps. Otherwise, dirt can enter at the valve needle and cause it to jam and no longer seal shut.