On [XXX] my wife was driving to a place of business here in Las Vegas, NV at approximately [XXX]. She proceeded to pull into a parking spot with her foot on the brake pulling up to the parking block. She never took her foot off the brake preparing to stop once she reached the parking block. Once she reached the parking block she applied the brakes firmly to bring the car to a stop, however, the car took off at a high rate of speed. The car then jumped over the parking block onto the sidewalk my wife continued to apply the brakes but they did not work the car tires kept spinning and eventually caused her to hit the wall of the building. At the time of the incident no warning lights came on the dash because everything went blank, no airbag deployed, no messages came on the car nor did it send any messages to me alerting me that my vehicle was involved in a accident. Due to this vehicle malfunctioning my wife has suffered a concussion, bruises to her breast and chest area and she also has a strain to her hips due to the seat belt malfunction. The seatbelt did not work properly it did not keep her restrained to the seat as designed. The building was of course damaged as a result of this vehicle malfunction. My wife unfortunately has suffered mental and bodily issues she has been traumatized due to this vehicle malfunction she has voiced over and over how this experience has affected her she also has repeatedly stated how this event took place and how it now makes her not ever wan