CONSUMER PUT GEAR INTO PARK AND STARTED TO EXIT VEHICLE. VEHICLE SUDDENLY STARTED ROLLING BACKWARDS, AND IN AN ATTEMPT TO STOP, ATTEMPTED TO APPLY PRESSURE TO BRAKE PEDAL, BUT INSTEAD CONSUMER'S FOOT APPLIED PRESSURE TO ACCELERATOR PEDAL. THIS RESULTED IN VEHICLE ACCELERATING BACKWARDS, AND CRASHING INTO ANOTHER VEHICLE. PLEASE PROVIDE ANY ADDITIONAL INFORMATION / ATTACHMENTS. *AK