Other information:
Commercial hot waxes applied by automatic car washes have been known to make
the windshield difficult to clean.
Contamination of either the windshield or the wiper blades with foreign matter
can reduce the effectiveness of the windshield wipers. Common sources of contamination
are insects, ...
A- Repeatedly driving short distance of less than 5 miles (8 km) in normal temperature
or less than 10 miles (16 km) in freezing temperature
B- Extensive engine idling or low speed driving for long distances
C-Driving on rough, dusty, muddy, unpaved, graveled or saltspread roads
D-Driving in ar ...