The contact owns a 2015 Jeep Grand Cherokee Limited. The contact stated that while in a parking space and reversing, the vehicle was then shifted into drive and the high gear message was displayed. The vehicle accelerated unintendedly and the brake pedal failed to bring the vehicle to a stop. As a result, the vehicle crashed into a 2015 Chrysler Town and Country where it came to a stop. No warning lights illuminated. There were no reported injuries, fire or air bag deployment. A police report was filed. The contact was able to drive the vehicle to her residence. The vehicle was towed to the local dealer where they were unable to duplicate the failure. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 71,535.