Checking the wiper blades
Run the tip of your fingers over the edge of the blade to check for roughness.
Clean the wiper blade lips with water applied with a soft sponge.
Ford Focus Climate Control System - General Information and Diagnostics
Climate Control System Operation
WARNING: Take the following
precautions when repairing an air conditioning system containing R-134a:
Always wear safety goggles.
Avoid contact with liquid refrigerant R-134a. R-134a vaporizes at approximately
-25°C (-13°F) under atmospheric pressure ...