Brake fluid

Brake fluid  - Maintenance and Specifications - Lincoln MKZ Owners Manual - Lincoln MKZ

The fluid level will drop slowly as

The fluid level will drop slowly as the brakes wear, and will rise when the brake components are replaced.

Fluid levels between the MIN and MAX lines are within the normal operating range; there is no need to add fluid. If the fluid levels are outside of the normal operating range, the performance of the system could be compromised; seek service from your authorized dealer immediately.

    See also:

    Flash-to-pass
    Pull and release to activate. ...

    Maintenance and modifications
    The suspension and steering systems on your vehicle have been designed and tested to provide predictable performance whether loaded or empty and durable load carrying capability. For this reason, ...

    Mud and water
    If you must drive through high water, drive slowly. Traction or brake capability may be limited. When driving through water, determine the depth; avoid water higher than the bottom of the wheel ...