Have the brake fluid changed by an experienced technician.
Brake fluid absorbs moisture from the air. If the water content in the brake fluid is too high, corrosion in the brake system may result after a period of time. The boiling point of the brake fluid will also decrease considerably and decrease braking performance.
Therefore, the brake fluid must be changed every two years. Always use new brake fluid which conforms to Federal Motor Vehicle Standard "FMVSS 116 DOT 4".
The brake fluid reservoir can be difficult to reach, therefore, we recommend that you have the brake fluid changed by your authorized Audi dealer. Your dealer has the correct tools, the right brake fluid and the know-how to do this for you.
WARNING
The correct type of brake fluid is also indicated on the brake fluid reservoir.
This can seriously affect the efficiency of the brakes as well as your safety. This could result in an accident.
Note
Brake fluid will damage the paint of your vehicle.
For the sake of the environment
Because of the problem of proper disposal of brake fluid as well as the special tools required and the necessary expertise, we recommend that you have the brake fluid changed by your authorized Audi dealer.