See also:

Defogging logic
To reduce the probability of fogging up the inside of the windshield, the air intake is controlled automatically according to certain conditions such as or position. To cancel or return the defo ...

Blade inspection
NOTICE 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 mat ...

Drive Belts
Inspect all drive belts for evidence of cuts, cracks, excessive wear or oil saturation and replace if necessary. Drive belts should be checked periodically for proper tension and adjusted as neces ...