Windshield defrost blower does does not blow onto windshield, it blows into the vehicle cabin. windows not defrosting. stationary or moving, makes no difference.
Tl* the contact owns a 2011 buick enclave. while driving 15 mph, the windshield began to fog up. the contact had to pull over repeatedly to clear the windshield. the vehicle was taken to a dealer where it was diagnosed that the defroster flapper valve failed and needed to be replaced. the vehicle was repaired. later, the air temperature on the driver and passenger sides of the vehicle varied. the vehicle was taken to another dealer where it was diagnosed that the failure recurred. the vehicle was repaired again. the manufacturer was not made aware of the failures. the approximate failure mileage was 47,462.