The contact owns a 2011 Ford Mustang. The contact stated while driving at various speeds and depressing the brake pedal, the vehicle failed to respond. The message "Service Auto Advancetrac" was displayed. The contact stated that she continued to depress the brake pedal until the vehicle responded. The contact stated that there was a significant stopping distance delay. The contact stated that the failure had been recurring more frequently while driving, and the vehicle was sliding while stopping, nearly causing a crash. The vehicle was taken to an unknown dealer however, the cause of the failure could not be determined. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.

- Bethlehem, PA, USA

Traction control applying when pulling out in traffic.this was not under hard acceleration.

- Pisgah, AL, USA

Test driving 2011 Ford Mustang shelby cobra GT 500. Pulled out of parking lot slowly onto roadway and when straight depressed accelerator for hard acceleration. Vehicle accelerated for a fraction of a second, then began spinning both rear wheels and violently and without warning went out of control and spun around in road hitting curb resulting in severe damage to wheels, body and suspension. Vehicle traveled aprox. 100 feet from point where the vehicle entered the roadway and where it struck curb facing the opposite direction. Traction control system (advance trac) had not been turned off. No advance trac warning lights were illuminated on the instrument cluster. Vehicle reached speed of aprx. 35 mph and was in 1st gear (manual shift) no injuries to driver or passenger. Traction control system failed to prevent rear wheel spin. Road was paved and dry. Could have caused severe injuries. Would never had attempted hard acceleration knowing system would not prevent wheelspin as advertised by Ford.

- Julian, NC, USA

The contact owns a 2011 Ford Mustang shelby GT500. After driving out of a parking lot at 35 mph and depressing the accelerator pedal with force, both rear wheels began to spin causing the vehicle to fish tail and spin out of control.the traction control failed to stop the vehicle. The vehicle settled on the other side of the road facing the opposite direction. There was extensive damaged to the vehicle and it was towed to the dealer. A police report was filed. There were no injuries. The dealer will repair the vehicle for $15,000. The manufacturer stated that they would give him a call within 24 hours. The failure mileage was 100.

- Julian, NC, USA