DEFECT #1 - VISIBILITY: WINDSHIELD WIPER/WASHER

Description
The set screw locking the windshield wiper arm to the driving shaft may work loose.  If this happens, it would cause erratic wiper operation and the could cause wiper operation to cease entirely.

Consequence
Loss of wiper operation would impair road visibilityduring inclement weather conditions, which may result in an accident.

Corrective Action
Inspect and replace with new type wiper arms where necessary.

Notes
System: visual systems; windshield wipers.vehicle description: passenger cars; bk models type 1, type 2, and type 3.