See also:

Notes on selecting, mounting and replacing tires
Only mount tires and wheels of the same type and make. Only mount tires of the correct size onto the wheels. After mounting new tires, run them in at moderate speeds for the first 60 miles ( ...

The spray nozzles are misaligned
The windshield washer fluid from the spray nozzles no longer hits the center of the windshield. The spray nozzles are misaligned. - Have the spray nozzles adjusted at a qualified specialist wor ...

Switching the windshield wipers on/off
WARNING Wiper blades are components that are subject to wear and tear. Replace the wiper blades twice a year, preferably in the spring and fall. Otherwise the windshield will not be wiped pr ...