general problems of the 2004 Nissan Xterra

On 9/11/2016, while attempting to park my 2004 Nissan Xterra, there was a terrible accident. I pulled in front of a maechanics bay at firestone in newport news, va. While parking my SUV, with my foot firmly on the brake, the SUV rapidly accelatred and drove through the building and badly injured a mechanic standing in the bay. I was braking as hard as I could, and the SUV kept accelarting and would not stop. I did not have my foot on the gas pedal. At the time of this accidnet, the SUV was at a total stop while shifitng it into park. It was located in the parking lot of firestone on warwick blvd. In newport news, va. This vechile was in as new condition with only a litte over 12,000 miles. It was a total loss. There was damage to the building, antother vechile in the bay, the driver of the SUV, and severe inuries to the mechanic standing on the floor of the bay. Again, at no point , was the drivers foot on the gas pedal. The driver was braking throughout this incident and coud not stop the vechile. What is left of this vehicle is currently located in the geico lot on production drive in yorktown, virginia.