Technical Bulletin (Rear Washer Nozzle Drips after Use):
Rear washer hose retains washer solvent after use. Without a check valve the excess water will continue to drain off out of the washer nozzle. This document informs how to diagnose, and service this issue.
This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.