There are 3 stored owner reports matching the speed control & cruise leading-label group for the 2004 Lincoln Navigator in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)THE VEHICLE ENGAGED IN INVOLUNTARY ACCELERATION (IN REVERSE) FROM STATIONARY POSITION RIGHT AFTER SHIFTING GEARS FROM PARKING 'P' TO REVERSE 'R' AND DISENGAGING THE PARKING BRAKE. THE BRAKES WERE BEING APPLIED DURING THIS GEAR CHANGE. THE CAR STARTED MOVING IN REVERSE AS SOON AS THE DRIVER LET OFF THE BRAKES. THE DRIVER THEN REAPPLIED THE BRAKES BUT THE VEHICLE ACCELERATED INSTEAD OF BREAKING. MORE PRESSURE WAS APPLIED TO THE BRAKES BUT THAT INCREASED THE SPEED INSTEAD OF REDUCING IT. THE VEHICLE ACCELERATED FROM 0 MPH TO APPROXIMATELY 50 MPH AND TRAVELED ABOUT 100 FEET IN REVERSE. THE DRIVER WAS MANEUVERING THE VEHICLE WITH THE STEERING WHEEL WHILE SIMULTANEOUSLY APPLYING PRESSURE TO THE BREAKS. THE DRIVER MANAGED TO STEER THE VEHICLE UP A SMALL GRASSY HILL OF ABOUT 15 DEGREES IN SLOPE UNTIL THE VEHICLE HIT A RESIDENTIAL CONCRETE WALL WITH THE BACK OF THE VEHICLE. AT THE MOMENT OF IMPACT, THE VEHICLE BOUNCED BACK AND THE ACCELERATION DISAPPEARED WITH THE ENGINE STILL ON. THE VEHICLE THEN SLOWLY ROLLED DOWN THE HILL UNTIL IT HIT A PARKED CAR. AT THAT MOMENT, THE CAR STOPPED AND REMAINED STATIONARY. THE ENGINE WAS THEN TURNED OFF. THE IMPACT CAUSED DAMAGE TO THE BACK OF THE VEHICLE AND TO THE RESIDENTIAL CONCRETE WALL. THE DRIVER'S SEAT WAS ALSO DAMAGED. IT BECAME LOOSE WITH THE IMPACT AND WAS EJECTED BACKWARDS TOWARDS THE BACK SEAT WITH THE DRIVER STILL ON IT. THERE WERE NO PHYSICAL INJURIES TO THE OCCUPANTS OTHER THAN WHIPLASH. A FIRMWARE DEFECT OF THE ELECTRONIC THROTTLE SYSTEM IS SUSPECTED.
TL* THE CONTACT OWNS A 2004 LINCOLN NAVIGATOR. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 50 MPH THE ACCELERATOR PEDAL BECAME STUCK CAUSING THE VEHICLE TO ACCELERATE. THE VEHICLE WAS NOT INSPECTED BY A DEALER NOR HAD IT BEEN REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND OFFERED NO ASSISTANCE. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 80,000. THE VIN WAS UNAVAILABLE.
2004 LINCOLN NAVIGATOR WITH ACCELERATION PROBLEMS CUSTOMER STATES WHEN THE BRAKE WAS APPLIED THE ENGINE ACCELERATED**CC
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.