Audi A8 2016 Owner's Manual page 237

(D
Note
- The concentration of anti-freezing agent
must be adjusted to the vehicle operating
conditions in the respective climate. A con-
centration that is too high can lead to vehi-
cle damage .
- Never add radiator anti-freeze or other addi-
tives to the washer fluid .
- Do not use a glass cleaner that contains
paint solvents, because this could damage
the paint.
Checking and Filling
235