The contact owns a 2008 Pontiac G5. The contact stated that while making a right turn in an intersection the vehicle failed to accelerate causing a crash with a second vehicle. During the crash, the air bags did not deploy. The driver sustained a shoulder and back injury and the passenger sustained a left torso injury which required medical treatment. A police report was taken at the scene and the vehicle was towed away. The cause of the failure was not determined. The manufacturer and local dealer were not notified of the failures. The failure mileage was undetermined.