There are 2 stored owner reports matching the powertrain & transmission leading-label group for the 2018 Ford Flex 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)VEHICLE IS NOT GETTING RECOMMENDED MILEAGE AND IS HARD SHIFTING
BRAND NEW CAR 30 DAYS OLD. CAME HOME AND PARKED IN OUR FLAT DRIVEWAY AND PUT SHIFTER IN PARK. TURNED ENGINE OFF AND OPENED CAR DOOR TO GET OUT AND CAR BEGAN TO ROLL BACKWARDS TOWARD THE STREET. HAD TO JUMP IN BEFORE I OR OTHER PEOPLE GOT RUN OVER. PUT FOOT ON BRAKE. SHIFTER CLEARLY IN PARK. CAR ENGINE CLEARLY OFF. TAKE FOOT OFF BRAKE AND CAR CONTINUE TO ROLL BACKWARDS. TRIED TO START CAR BUT CAR WOULD NOT LET ME. PUT EMERGENCY BRAKE ON AND TURNED CAR TO AUXILIARY POWER. DISPLAY SHOWS R (REVERSE) EVEN THOUGH SHIFTER IS IN PARK. SHIFTER CANNOT BE MOVED. HAD TO HAVE TOW TO DEALER. ADVISED CABLE SHIFTER BROKE (INVOICE ATTACHED). JUST ALERTING NHTSA SO THAT YOU ARE AWARE. VERY DANGEROUS WHEN OPERATOR PUTS CAR IN PARK, TURNS ENGINE OFF AND EXITS VEHICLE, AND CAR ROLLS BACKWARDS OUT OF CONTROL. SHOULD NOT HAPPEN ON ANY CAR LET ALONE A BRAND NEW ONE.
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 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.