The contact owns a 2011 Mercury Milan. The contact stated while driving at various speeds, the power steering assist intermittently failed to operate as needed. The contact stated that the ‘Service Power Steering Now’ message was displayed. The vehicle was taken to an independent mechanic and the contact was informed that the vehicle was included in NHTSA Campaign Number: 15V340000 (Steering). The vehicle was then taken to the dealer and the contact was informed that the vehicle was not under recall or warranty. The contact was provided an estimate for the repair. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure but offered no assistance. The failure mileage was approximately 124,000.