The contact owns a 2011 Buick Lacrosse. The contact stated while the vehicle was parked, the contact became aware of a failure with the defrost system. The contact stated that the windows failed to defrost properly, causing a visibility hazard while driving. The dealer was contacted; however, the vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 155,000.

- Pontiac, MI, USA

The contact owns a 2011 Buick Lacrosse. The contact stated that the ventilation inside the vehicle failed to work properly making it hard for the contact to see on coming traffic. The vehicle was taken to suttle motor corporation (12525 jefferson ave, newport news, va 23602, (757) 886-1700) where it was diagnosed and determined that the HVAC system failed and needed to be replaced. The vehicle was repaired however, the failure recurred. The vehicle was taken back to the dealer 2 or 3 additional times in which the technician was unable to duplicate the issue. The manufacturer was not made aware of the failure. The contact mentioned NHTSA campaign number: 11V149000 (visibility) as a possible solution to the failure however, the VIN was not included. The failure mileage was approximately 45,000.

- Newport News, VA, USA

The contact owns a 2011 Buick Lacrosse. The contact stated that while driving at an undisclosed speed, the front windshield defroster became inoperable. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the HVAC system needed to be replaced. The vehicle was not repaired. The vehicle was not included in NHTSA campaign number: 11V149000 (visibility). The manufacturer was not informed of the failure. The approximate failure mileage was 150,000.

- Homestead Falls, OH, USA

The contact owns a 2011 Buick Lacrosse. While driving 55 mph, the contact was unable to defrost the windows. There were no warning indicators illuminated. The contact had to place the defroster on the hot setting in order for the windows to clear. The vehicle was taken to an independent mechanic who diagnosed that the air compressor pump failed and needed to be replaced. The vehicle was repaired, but the failure recurred. The dealer was not contacted. The contact referenced NHTSA campaign number: 11V149000 (visibility), but the VIN was not included. The manufacturer was made aware of the failure and advised the contact to call NHTSA to file a complaint. The failure mileage was approximately 117,350.

- Chicago, IL, USA

The contact owns a 2011 Buick Lacrosse. While stationary and while driving various speeds, the defroster/defogger system in the front of the vehicle malfunctioned. The contact stated that the defroster/defogger stopped working and would not defrost the windshield in cold temperatures. In addition, while driving various speeds, the vehicle became frosted with ice and decreased the contact's visibility. The vehicle was not diagnosed or repaired by a dealer. The manufacturer was made aware of the issue and stated that the contact's VIN was not included in NHTSA campaign number: 11V149000 (visibility). The failure mileage was approximately 7,000.

- Indianapolis, IN, USA