ON AUGUST 17, 2004, ODI OPENED AN INVESTIGATION BASED ON TWO COMPLAINTS AND ONE INSURANCE COMPANY REPORT ALLEGING DRIVER AND/OR FRONT PASSENGER SEATBELT UNBUCKLING DURING CRASHES ON MODEL YEAR (MY) 2000 AND 2001 CADILLAC DEVILLE SEDANS.ON OCTOBER 8, 2004, GM SUBMITTED DATA TO ODI RELATED TO THE ALLEGED DEFECT FOR THE SUBJECT VEHICLES.THIS DATA CONTAINED INFORMATION ABOUT SYSTEM DESIGN, SYSTEM OPERATION, SEAT BELT BUCKLE TESTING AND CONSUMER COMPLAINTS.BASED ON ITS ANALYSIS OF THE DATA, ODI HAS DETERMINED THAT A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED REGARDING SPECIFIC ALLEGATIONS OF UNWANTED SEATBELT UNBUCKLING DURING A CRASH.AT THIS TIME, FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCESSEE ATTACHED SUMMARY REPORT