There is a problem in either the switch or the wiper motor. If I had an 09 with this problem and it's out of warranty, contact your Chevrolet zone rep. and cry on their shoulder for some assistance.
Jan 26, 2010 at 2:52 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.