This bulletin is informational only for repairs made to the rear bumper. Under the rear bumper cover, two shields are fitted below the Lane Change Assistance control units. The shields are in place to prevent unwanted reflections from special aftermarket accessories fitted on this vehicle. These reflections can interfere with the function of the Lane Change Assistance system. The shields are in place to prevent unwanted reflections from special aftermarket accessories fitted on this vehicle. These reflections can interfere with the function of the Lane Change Assistance system.