The contact owns a 2011 Chevrolet Equinox. The contact stated that while driving approximately 15-20 MPH and making a left turn, the vehicle lost power steering functionality. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the power steering assist was inoperable. The vehicle was repaired. The manufacturer was not contacted. The failure mileage was approximately 78,000.