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Elevation System Check

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check the parking aid system to make sure that the system does not  see signals caused by ground reflections.
    Fig 1: Identifying Ground Reflection Verification And Sensor Coverage Pattern
    G03902677Courtesy of FORD MOTOR CO.
  2. The following system check should be carried out with the vehicle on a 4.6 meters (15 feet) wide by 3.0 meters (10 feet) deep smooth concrete surface, free of all obstacles. The area should also be free of noise from fans and pneumatic tools.
  3. Turn the ignition to the ON position, engine off.
  4. Set the parking brake on.
  5. Place the gear shift in REVERSE.
  6. NOTE: No audible warning tones should be heard. If audible warning tones are heard, check to make sure the bumper is installed correctly and not tilted downward so that the sensor is pointing towards the ground.
  7. Verify that no  audible warning tones are heard.