← New search

2000 Cadillac Deville

Owner reports · Recalls · Investigations

More warning signs than most Deville years

Owner complaints for the 2000 Cadillac Deville are substantially higher than the model-year median of 44.

About this comparison →

When problems were reported

Mileage at the reported incident

114 reports with mileage · 111 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 60 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 52 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Visibility. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

25 crash reports4 fire reports20 injury reports

Electrical System complaints

60 reports
Clear category filter
72,000 miles · Sep 16, 2014
Electrical SystemEngine

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT WHILE DRIVING 30 MPH, THE VEHICLE STALLED. THE FAILURE OCCURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT MENTIONED THAT NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM) WAS RECEIVED IN WHICH THE VEIHCLE WAS INCLUDED. THE…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT WHILE DRIVING 30 MPH, THE VEHICLE STALLED. THE FAILURE OCCURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT MENTIONED THAT NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM) WAS RECEIVED IN WHICH THE VEIHCLE WAS INCLUDED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 72,000.

NHTSA ODI #10633571

Mileage unknown · Sep 15, 2014
Electrical System

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. WHILE IDLING AT A STOP SIGN, THE VEHICLE STALLED WITHOUT WARNING. ON A SEPARATE OCCASION, THE KEY BECAME LODGED IN THE IGNITION SWITCH AND PREVENTED THE VEHICLE FROM TURNING OFF. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CA…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. WHILE IDLING AT A STOP SIGN, THE VEHICLE STALLED WITHOUT WARNING. ON A SEPARATE OCCASION, THE KEY BECAME LODGED IN THE IGNITION SWITCH AND PREVENTED THE VEHICLE FROM TURNING OFF. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 14V400000 (ELECTRICAL SYSTEM); HOWEVER, THE PARTS WERE UNAVAILABLE TO REPAIR THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ODI #10633164

57,000 miles · Sep 12, 2014
Air BagsElectrical SystemCrash

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE STALLED WITHOUT WARNING. AS A RESULT, THE CONTACT'S VEHICLE WAS SIDE SWIPED BY ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANU…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE STALLED WITHOUT WARNING. AS A RESULT, THE CONTACT'S VEHICLE WAS SIDE SWIPED BY ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 57,000. UPDATED 10/22/14*LJ

NHTSA ODI #10632693

140,000 miles · Sep 11, 2014
Electrical System

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT AFTER THE IGNITION WAS STARTED, THE VEHICLE STARTED TO MOVE FORWARD INDEPENDENTLY. THE FAILURE RECURRED MULTIPLE TIMES. THE CONTACT RECEIVED A NOTIFICATION FOR RECALL NHTSA CAMPAIGN ID NUMBER: 14V355000 (ELECTRICAL SYSTEM). HOWEVER, THE PARTS NEEDED FOR THE RE…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT AFTER THE IGNITION WAS STARTED, THE VEHICLE STARTED TO MOVE FORWARD INDEPENDENTLY. THE FAILURE RECURRED MULTIPLE TIMES. THE CONTACT RECEIVED A NOTIFICATION FOR RECALL NHTSA CAMPAIGN ID NUMBER: 14V355000 (ELECTRICAL SYSTEM). HOWEVER, THE PARTS NEEDED FOR THE REPAIRS WERE UNAVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 140,000.

NHTSA ODI #10632546

Mileage unknown · Sep 8, 2014
Electrical System

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM); HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.

NHTSA ODI #10631492

Mileage unknown · Sep 3, 2014
Electrical System

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THE VEHICLE FAILED TO START. THE VEHICLE WAS TOWED TO THE DEALER. THE TECHNICIAN MADE THE CONTACT AWARE THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V3555000 (ELECTRICAL SYSTEM). HOWEVER, THE PART DO THE REPAIR WAS UNAVAILABLE. THE MANUFACTURER WAS NO…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THE VEHICLE FAILED TO START. THE VEHICLE WAS TOWED TO THE DEALER. THE TECHNICIAN MADE THE CONTACT AWARE THAT THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V3555000 (ELECTRICAL SYSTEM). HOWEVER, THE PART DO THE REPAIR WAS UNAVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNAVAILABLE.

NHTSA ODI #10630526

100,000 miles · Sep 2, 2014
Air BagsElectrical SystemCrash

TL* THE CONTACT OWNED A 2000 CADILLAC DEVILLE. WHILE DRIVING APPROXIMATELY 20 MPH AND MAKING A RIGHT TURN, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT CRASHED THE VEHICLE INTO A MAILBOX. THE AIR BAGS FAILED TO DEPLOY. THE VEHICLE WAS DESTROYED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM)…

Read full complaint

TL* THE CONTACT OWNED A 2000 CADILLAC DEVILLE. WHILE DRIVING APPROXIMATELY 20 MPH AND MAKING A RIGHT TURN, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT CRASHED THE VEHICLE INTO A MAILBOX. THE AIR BAGS FAILED TO DEPLOY. THE VEHICLE WAS DESTROYED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

NHTSA ODI #10630008

20,000 miles · Aug 27, 2014
Electrical System

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE WOULD STALL WITHOUT WARNING. THE CONTACT STATED THAT THE VEHICLE WAS SHIFTED IN NEUTRAL IN ORDER TO RESTART. THE FAILURE OCCURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO DIAGNOSE…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE WOULD STALL WITHOUT WARNING. THE CONTACT STATED THAT THE VEHICLE WAS SHIFTED IN NEUTRAL IN ORDER TO RESTART. THE FAILURE OCCURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO DIAGNOSED THAT THE IGNITION SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 20,000. UPDATED 10/07/14*LJ UPDATED 3/24/2015 *JS

NHTSA ODI #10628888

150,000 miles · Aug 22, 2014
Air BagsElectrical SystemEngine

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT THE WOULD HESITATE TO START. ALSO, THE CONTACT STATED THAT THE STEERING COLUMN PANEL WAS DETACHING AND STEERING WHEEL WAS WARPED. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED. THE MANUFACTURER HAD NOT BEEN NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 150,00…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT STATED THAT THE WOULD HESITATE TO START. ALSO, THE CONTACT STATED THAT THE STEERING COLUMN PANEL WAS DETACHING AND STEERING WHEEL WAS WARPED. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED. THE MANUFACTURER HAD NOT BEEN NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 150,000. AIR BAGS FAILED. UPDATED 12/09/14*LJ UPDATED 08/28/2017*CT

NHTSA ODI #10627510

Mileage unknown · Aug 19, 2014
Electrical System

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE…

Read full complaint

TL* THE CONTACT OWNS A 2000 CADILLAC DEVILLE. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.

NHTSA ODI #10626314

Official recalls

5

14V355000 · Electrical System:ignition

Jun 23, 2014

This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the affected vehicles, the weight on the key ring and road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.

Consequence & remedy

Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury. Additionally, a key knocked out of the run position will cause loss of engine power, power steering, and power braking, increasing the risk of a vehicle crash.

Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 23, 2014. Owners may contact General Motors customer service at 1-800-521-7300 (Buick), 1-800-458-8006 (Cadillac), and 1-800-222-1020 (Chevrolet). GM's number for this recall is 14299.

02V227000 · Seat Belts:front:retractor

Sep 5, 2002

CERTAIN PASSENGER VEHICLES CONTAIN DRIVER AND FRONT PASSENGER LAP AND/OR SHOULDER BELT RETRACTORS THAT MAY NOT REMAIN LOCKED UP AS DESIGNED DURING A CRASH IN WHICH THE BELT PRETENSIONERS DEPLOY.

Consequence & remedy

Consequence: IN SUCH A CRASH, THIS COULD RESULT IN AN INCREASE IN INJURY FOR THAT OCCUPANT.

Remedy: DEALERS WILL INSTALL A RETAINER KIT IN THE DRIVER AND PASSENGER SAFETY BELT PRETENSIONER. OWNER NOTIFICATION BEGAN JANUARY 31, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CADILLAC AT 1-800-458-8006.

00V347000 · Seat Belts:front:buckle Assembly

Oct 30, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES, HEARSE, AND LIMOUSINES. SOME OF THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THESE VEHICLES HAVE SEAT BELTS THAT MAY NOT MEET THE 30-POUND PUSH BUTTON RELEASE EFFORT REQUIREMENT OF THE STANDARD.

Consequence & remedy

Consequence: HIGH RELEASE EFFORTS COULD MAKE IT MORE DIFFICULT FOR A CRASH VICTIM TO RELEASE THE BELT AND EXIT THE VEHICLE.

Remedy: DEALERS WILL INSPECT THE SEAT BELTS AND, IF NECESSARY, MODIFY THE LATCH PLATES OR REPLACE THE RETRACTOR. DEALERS WILL ALSO ADD "SNAP ON" LATCH CLIPS TO ELIMINATE THE POTENTIAL OF INVERTED LATCH PLATE INSERTION. OWNER NOTIFICATION IS BEING CONDUCTED IN PHASES. THE FIRST PHASE BEGAN MAY 29, 2001, AND THE SECOND PHASE BEGAN JULY 6, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CADILLAC AT 1-800-458-8006.

00V114000 · Service Brakes, Hydraulic:foundation Components

Apr 17, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES HAVE INTERNAL FLUID LEAKS IN THE BRAKE HYDRAULIC CONTROL UNIT.

Consequence & remedy

Consequence: WHEN THE REAR BRAKE PROPORTIONING, ANTILOCK BRAKE, TRACTION CONTROL, OR STABILITY CONTROL FEATURE IS ACTIVATED IN SOME DRIVING SITUATIONS, THE FEATURE MAY NOT PERFORM AS DESIGNED.

Remedy: DEALERS WILL INSPECT THE ABS HYDRAULIC MODULATOR UNIT AND IF NECESSARY, REPLACE THE HYDRAULIC MODULATOR.

00V021000 · Vehicle Speed Control

Jan 26, 2000

VEHICLE DESCRIPTION: LIMOUSINES. DURING NORMAL ENGINE ROLL, THE PLASTIC END FITTING OF THE CRUISE CONTROL CABLE COULD CONTACT THE BRAKE MASTER CYLINDER AND FRACTURE. THIS DOES NOT MEET THE REQUIREMENTS OF FMVSS NO. 124, "ACCELERATOR CONTROL SYSTEMS."

Consequence & remedy

Consequence: THE FRACTURE COULD PREVENT FULL CLOSING OF THE THROTTLE AND CAUSE A SMALL INCREASE IN ENGINE RPM IN DRIVE WITH THE BRAKE APPLIED.

Remedy: DEALERS WILL INSTALL A NEW CRUISE CONTROL BRACKET AND, IF NECESSARY, WILL REPLACE THE CRUISE CONTROL CABLE.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE04060 · Failing Seat Belt Buckles

Opened Aug 17, 2004 · Closed Feb 3, 2005

Status: closed (inferred from source dates) · Seat Belts; Seat Belts:front; Seat Belts:front:buckle Assembly

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

Additional source detail variants (3)

Seat Belts:front:buckle Assembly

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

Seat Belts:front

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

Seat Belts

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