The contact owns a 2007 Audi Q7. The contact stated that while the vehicle was parked, the vehicle stalled intermittently, and failed to return to normal operation. There was no warning light illuminated. The vehicle was self-diagnosed by the contact, and the contact determined that the steering column lock module needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 139,000.