The contact owns a 2023 Subaru Forester. The contact stated while driving 65 MPH, the vehicle accelerated unintendedly and the RPMs were significantly high. The contact depressed the brake pedal, but the vehicle failed to respond. There was no warning light illuminated. The contact shifted to park(P) and turned off the vehicle, and the vehicle decelerated. The contact was able to pull to the side of the road. The contact stated that upon restarting the vehicle, the vehicle operated as needed. Additionally, the contact stated while his wife was reversing, the vehicle accelerated unintendedly and hit a chained gate. The contact's wife depressed the brake pedal, but the vehicle failed to respond. There was no warning light illuminated. The vehicle went into the woods, hit several small trees, and then the vehicle crashed into a big tree and bounced 30 ft. away from the tree. The air bags failed to deploy. The contact's wife sustained a sore neck, but did not seek medical assistance. A police report was filed. The dealer was notified of the failure. The vehicle was towed to an auto collision repair shop, awaiting for a damage estimate. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 9,000.