While attempting to park head-on into a parking stall, the car suddenly excellerated at high speed and hit a parking barrier head on. At no time prior to hitting the parking barrier did the drive touch the excellerator pedal. Although the entire front end of the vehicle was totalled into a "V" shape the air bags never deployed. Driver attempted to brake but it was too late, happened too fast. After the impact and with the brake pedal fully engaged the car was still moving. A passerby jumped into the passenger seat and was abel to put the car into park. Police were notified but no accident report was issued according to the responding officier becasue it happened on private property.