The contact owns a 2012 Subaru Impreza. The contact stated that while driving approximately 30-40 MPH, the vehicle lost power steering functionality and was driven with manual steering. The failure occurred while driving at various speeds. The contact stated that approximately four days after the first failure, the steering wheel failed to move. Additionally, the vehicle was losing oil and one quart of oil had to be added every month. The contact stated that the power steering, ABS, TPMS, transmission automatic transmission fluid (ATF), and 4-WD failure warning lights were illuminated. The passenger occupant sensor chimed for the passenger to secure the seat belt consistently even though the occupant was seated with the seat belt buckled securely. The contact who is a certified mechanic had replaced the rack and pinion. The contact noticed that the threads on the tie rods were close in proximately risking the chance of damaging the tie rods. The ABS module had been replaced. The contact believed that the engine needed to be replaced but the engine was not replaced. The manufacturer was made aware of the failure and opened a case. The manufacturer confirmed there was no recall for the failure. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 164,964.