While driving car turns on its own almost causing accident
- NHTSA ID
- 11738335
- Incident
- May 11, 2026
Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Our database holds 64 NHTSA owner-reported complaints for the 2009 Mazda Mazda5. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Showing 1–25 of 64 · page 1 of 3
While driving car turns on its own almost causing accident
The headlights on this car are dangerously dim. Like the turn signals overpower them levels of dim. I’ve replaced the bulbs, the battery, cleaned all the connections, replaced the alternator, nothing makes a difference.
THIS MODEL OF MAZDA STEERING WHEEL STOP ROTATING MOSTLY ON HIGHWAY. AT TIME IT BECOME TOO STIFF TO OVE FOR 5 TO 10 MINUTES AND THEN IT COMES BACK ON IT IS WORRYING ME AS IT MAY CAUSE AN UNVOIDABLE CRASH.
Intermittently, the doors will not unlock when inside the vehicle, effectively trapping the occupants inside. Additionally, the locks will fail to lock or lock with either the key or the remote fob. trapping occupants inside or prohibiting someone on the outside from getting in to retrieve children inside.
TL* THE CONTACT OWNS A 2009 MAZDA 5. THE CONTACT STATED THAT THE VEHICLE WOULD NOT START. ON ONE OCCASION, THE VEHICLE BROKE DOWN IN THE MIDDLE OF A STREET AND WAS TOWED TO THE CONTACT'S HOME. THE CONTACT HAD A MECHANIC INSPECT THE VEHICLE WHO STATED THAT THE FUEL PUMP COULD BE THE CAUSE OF THE FAILURE. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 163,000.
TL* THE CONTACT OWNS A 2009 MAZDA 5. WHILE DRIVING 55 MPH, THE POWER STEERING MALFUNCTIONED AND THE STEERING VEERED TO THE LEFT. THE FAILURE ALMOST CAUSED A CRASH. IN ADDITION, THE ENTIRE INSTRUMENT PANEL ILLUMINATED. THE CONTACT HAD TO EXERT EXCESSIVE FORCE TO TURN THE STEERING WHEEL AND PULL THE VEHICLE OFF THE ROAD. WHEN THE VEHICLE WAS TURNED OFF AND RESTARTED, THE POWER STEERING RETURNED TO NORMAL AND THE CONTACT WAS ABLE TO DRIVE HOME. THE MANUFACTURER AND THE DEALER WERE NOT NOTIFIED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 86,000.
CLIMATE CONTROL MALFUNCTIONING AND TURNING ON THE HEATER NOT AC
SLIDING PASSENGER DOOR WILL NOT LATCH. WILL OPEN WHILE DRIVING.
WHILE DRIVING THE CAR (APPROXIMATELY 35 MILES PER HOUR) THERE IS A SUDDEN LOSS OF POWER, INCLUDING LOSS OF POWER STEERING. CAR WOULD NOT RESTART. WE REPLACED ALTERNATOR AND HAD BATTERY CHECKED, WHICH WAS WORKING FINE WHEN THE SAME PROBLEM OCCURRED WHILE DRIVING ON HIGHWAY AT 45 MPH. PROBLEM IS RECURRING. CAR IS UNSAFE TO DRIVE.
TL* THE CONTACT OWNS A 2009 MAZDA 5. WHILE THE CONTACT'S SON WAS DRIVING 45 MPH, THE DRIVER HEARD A GRINDING AND CLUNKING NOISE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE MOTOR MOUNTS FAILED AND SHIFTED THE ENGINE FORWARD, WHICH CAUSED THE CV JOINTS AND ENGINE HEAD TO FAIL. THE VEHICLE WAS NOT REPAIRED. A DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.
THE CAR DEALERSHOP DIDN'T INFORM ME ABOUT THIS CAR HAD 3 RECALL ,AND I NEED TO CANCEL THE CONTRACT.I HAVEN'T PICK UP THE CAR YET.IF DEALER SOLD ME DEFECTED CAR WITH RECALL PROBLEM,I WANT TO PROTECT MYSELF FROM FRAUD.
I HAVE HAD 2 TIRE PRESSURE MONITORING VALVES BREAK INTO 2 PARTS EACH IN THE PAST 4 MONTHS. THE LATEST WAS WHEN I WAS DRIVING TODAY ON CITY STREETS. THE TIRE PRESSURE ALARM WENT OFF SO I STOPPED THE CAR TO CHECK THE TIRES. WHEN I TOUCHED ONE OF THE VALVES IT JUST CAME APART IN MY HAND AND I WAS HOLDING PART OF THE VALVE, THE REST OF IT WAS STILL IN THE TIRE. THE TIRE THEN COMPLETELY DEFLATED IN ABOUT 2 SECONDS. THIS COULD BE EXTREMELY HAZARDOUS. IF YOU LOST ALL TIRE PRESSURE IN A FEW SECONDS AT 65 MPH YOU COULD EASILY LOSE CONTROL OF THE CAR AND GET IN AN ACCIDENT. I NO LONGER TRUST THE 2 VALVES THAT HAVE YET TO BREAK SO I AM GOING TO BE PROACTIVE AND REPLACE THEM BEFORE THEY DO BREAK AT AN INOPPORTUNE TIME. I SEE A LOT OF OTHER COMPLAINTS ABOUT THE SAME PROBLEM ON THE INTERNET. I INCLUDED A PICTURE OF THE PIECE OF THE VALVE THAT BROKE OFF INTO MY HAND.
2009 MAZDA5. CONSUMER WRITES IN REGARDS TO VEHICLE RECALL NOTICE/CAMPAIGN #6010 ISSUES. CONSUMER HAS PREVIOUS COMPLAINT WITH ANOTHER VEHICLE LISTED IN ARTEMIS. *SMD THE CONSUMER STATED THERE WAS A RECALL FOR POWER STEERING (6010H). THE CONSUMER WAS NOT NOTIFIED OF THE RECALL AND MISSED THE DEADLINE BY ONE DAY. *JS
OCCASIONALLY (4 TIMES NOW) WHEN STOPPING OR STARTING OUT (FOOT ON BRAKE,CAR IN DRIVE) THE ACCELERATOR RACES FULL THROTTLE, LIKE I STOMPED ON ACCELERATOR, FOR A FEW SECONDS. I HAVE TO PRESS ON THE BRAKE FULL FORCE AND/OR PUT IT IN NEUTRAL. SCAREY!!! CALLED DEALER, BUT WAS TOLD THEY WERE NOT AWARE OF ANY PROBLEMS. NO OFFER TO CHECK IT OUT. EMAILED MAZDAUSA ON JAN2 BUT NO RESPONSE OTHER THAN AUTOMATED RESPONSE SHOWING THEY RECEIVED MY EMAIL. TOOK IT TO REPAIR SHOP TO CHECK FOR CODES - NO CODES.
THE ALARM KEEPS GOING OFF FOR NO REASON. I HAD THIS PROBLEM FOR LONG TIME. I TURN IT OFF AND IT WILL GO OFF AGAIN, THIS IS ALMOST DAILY.
TL* THE CONTACT OWNS A 2009 MAZDA 5. WHILE DRIVING 35 MPH, THE REAR DRIVER SIDE SLIDING DOOR OPENED INDEPENDENTLY. THE CONTACT ATTEMPTED TO CLOSE THE DOOR, BUT THE SLIDING DOOR FAILED TO LATCH. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT BOTH REAR DOOR LATCHES NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT WAS AWARE OF NHTSA CAMPAIGN NUMBER: 06V463000 (LATCHES/LOCKS/LINKAGES), BUT THE VIN WAS NOT INCLUDED. THE FAILURE MILEAGE WAS 100,000.
THE AIR BAG LIGHT ON CONTROL PANEL IS FLASHING WHEN I START THE ENGINE AFTER A WORKING DAY. NO RHYME OR REASON AT ALL. THERE IS NO ANY IMPACTION FROM OUTSIDE AND/OR GOING OVER BUMPERS. IT COMES IN AND OUT IN THE FIRST DAY AND TWO, AND THEN IT'S STAYED ON AND FLASHED THE CODE 19, WHICH ACCORDING TO THE MANUAL MEANS RESTRAINT CONTROL MODULE - MEMORY FULL. SO I TOOK IT TO MAZDA DEALERSHIP AND DIAGNOSED THE ISSUE AT MY EXPENSE. ACCORDING TO THE DEALER REPORT, THEY CANNOT RESET THE COMPUTER MODULE SUCH AS CLEAN MEMORY; INSTEAD, I AM ASKED TO REPLACE THE CLOCK SPRING FOR FIX THE DRIVER SIDE AIR BAG. HOWEVER, IN THE MEANTIME, ALL THE CONTROLS ON THE STEERING ARE WORKING PERFECTLY, HORN/CRUSE CONTROL/ VOLUME CONTROL FOR THE STEREO.
THE TIRE PRESSURE SENSOR ILLUMINATED AND I CHECKED TO SEE IF THE TIRE WAS FLAT. IT WAS NOT. I DROVE TO A FILLING STATION TO TOP OFF THE PRESSURE AND AS I WAS DRIVING AWAY FROM THE AIR PUMP THE VALVE STEM TO THE REAR DRIVER SIDE TIRE BROKE AND THE TIRE DEFLATED INSTANTLY. THE VALVE STEM WAS CORRODED. APPARENTLY IT WAS INITIALLY CRACKED SLIGHTLY CAUSING THE TIRE TO FIRST LOSE AIR SLOWLY. THEN, UPON MANIPULATION FROM THE PUMP FITTING, THE STEM WAS FURTHER DAMAGED CAUSING THE STEM TO BREAK OFF. I DID HAVE THIS HAPPEN ONCE BEFORE. THE EXPLANATION FROM A SERVICE STATION WAS THE SAME. IN THIS MODEL THE VALVE STEM AND PRESSURE SENSOR IS A SINGLE ASSEMBLY SO WHEN THE TIRE IS CHANGED THE VALVE STEM IS NOT CHANGED EVEN IF IT IS OLD AND SHOWING SIGNS OF AGING. OTHERWISE THE COST OF REPLACING A TIRE WOULD BE NEARLY DOUBLED. THE SENSOR ITSELF WILL LAST MUCH LONGER THAN ITS VALVE STEM. CONSEQUENTLY, THE STEMS DO EVENTUALLY CORRODE AND BREAK OFF AT INCONVENIENT, POSSIBLY DANGEROUS, TIMES. THE SERVICE STATIONS SAY THIS IS COMMON FOR THIS VINTAGE OF MAZDA. THE SERVICE REP SAID MINE WAS THE SECOND THEY REPAIRED ON THE VERY SAME DAY! AS I SAID, THIS HAPPENED ONCE BEFORE WHEN A STEM BROKE OFF AS I WAS BACKING OUT OF MY HOME PARKING SPOT. A COUPLE OF DAYS BEFORE THE THIS REPORTED EVENT, I TOOK A LONG ROAD TRIP AND A SUDDEN DEFLATION LIKE THIS COULD HAVE HAPPENED AT HIGHWAY SPEED. IT WOULD HAVE BEEN TRAGIC! I HAVE CHECKED ON-LINE AND HAVE FOUND MANY IDENTICAL COMPLAINTS. IF IT HAS NOT BEEN REPORTED TO NHTSA BEFORE NOW, I AM QUITE AMAZED. *TR
GAS PEDAL IS TOO CLOSE TO THE BRAKE PEDAL. I OFTEN HAVE ACCELERATED DEPRESSING THE WRONG PEDAL DUE TO THE EXTREME CLOSE PROXIMITY. WHILE PULLING UP TO THE GARAGE HIT THE GAS PEDAL INSTEAD OF THE BREAKS AND CAUSED BOTH VEHICLE AND GARAGE DAMAGE. I HAVE THOUGHT TO COMPLAIN ABOUT THIS MANY TIMES. THE FRONT END OF THE VEHICLE WAS DAMAGED AND THE GARAGE MASONRY HAS BRICKS AND BLOCK WORK DAMAGE. TWO OF MY WHEELS HAVE BEEN WARPED. I HAVE ONLY A MEDIUM FOOT SIZE 10. THIS IS DANGEROUS FOR ANYONE. *TR
WENT TO INFLATE TIRES, VALVE STEM BROKE AND TIRE WENT COMPLETELY FLAT. I WAS LUCKY THAT THIS HAPPENED WHEN THE CAR WASN'T MOVING - I HAVE READ ABOUT THE VALVES FAILING AT HIGHWAY SPEED, WHEN IT COULD HAVE CAUSED AN ACCIDENT. *TR
KEPT HEARING A RATTLING NOISE COMING FROM REAR DRIVER'S SIDE, TOOK THE CAR IN TWO TIMES B/C OF THIS. TURNED OUT TO BE A PROBLEM WITH THE REAR SEAT RUBBER BUSHING WHICH IS REQUIRING THE DEALER TO GRIND THE ARCH WELD ON THE SPRING COIL. THERE IS A SERVICE BULLETIN ABOUT THIS VERY PROBLEM, WHICH INDICATED THAT THEY HAVE REDESIGNED THE PARTS IN NEWER MODELS SO THIS DOES NOT HAPPEN. I FEEL THAT THIS IS A DESIGN PROBLEM FOR WHICH I HAVE TO PAY FOR THE REPAIR AND THAT IT IS NOT DUE TO NORMAL WEAR AND TEAR ON THE CAR. IT SEEMS TO ME THAT THEY SHOULD FIX THE PARTS DUE TO THEIR FAULTY MANUFACTURING/DESIGN? *JS
THE THIRD ROW SEATBELTS IN MY '09 MAZDA 5 BEING TOTALLY UNUSABLE FOR CHILDREN AND SOME ADULTS, INCLUDING MYSELF. THE SEATBELTS ARE POSITIONED SO HIGH AND SO FAR FORWARD THAT THEY ARE COMPLETELY UNSAFE, THEREFORE UNUSABLE. THE PROBLEM IS MASKED WITH A HIGH BACK BOOSTER SEAT BUT EVEN WITH A HIGH BACK BOOSTER SEAT, WHEN I JERKED AGAINST THE SEATBELT TO MAKE IT LOCK, THERE WAS AT LEAST 6 INCHES OF MOTION FORWARD AND SIDE-TO-SIDE BEFORE THE SEATBELT LOCKED. WHEN I TRIED THIS WITH A HIGH BACK BOOSTER IN THE 2ND ROW, THERE WAS MOTION ONLY 2 INCHES FORWARD AND NONE SIDE-TO-SIDE. THE SEATBELT PROBLEM IS TOTALLY UNACCEPTABLE AND AM SHOCKED THERE HASN'T BEEN A RECALL. THERE ALSO ISN'T LATCH IN THE THIRD ROW SO HOW AM I SUPPOSED TO PUT ANYONE BACK THERE? *TR
TL* THE CONTACT OWNS A 2009 MAZDA, MAZDA 5. THE CONTACT WAS ADVISED THAT THE VEHICLE WAS LEAKING OIL. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR INSPECTION WHERE THE CONTACT WAS INFORMED THAT A BOLT ON THE OIL ENGINE COOLER WAS FAULTY. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 104,000.
IN THIS CASE I LEFT MY LIGHTS ON CAUSING THE BATTERY TO RUN DOWN. THE PROBLEM WITH THIS CAR IS WHEN THERE IS NO POWER IT IS IMPOSSIBLE TO OPEN THE REAR SLIDING DOORS OR TAILGATE. ONLY THE DRIVER'S DOOR OPENS WITH A KEY AND YOU CANNOT OPEN THE REAR DOORS FROM THE INSIDE WITHOUT POWER. IN THE EVENT OF AN ACCIDENT THAT DISABLES THE POWER SYSTEM THESE DOORS CANNOT BE OPENED AND PASSENGERS (ESPECIALLY CHILDREN WHO ARE IN SAFETY SEATS) CAN BE TRAPPED. THERE ARE 3 ROWS OF 2 BUCKET SEATS PER ROW. I FEEL THIS CAR IS A DEATH TRAP AND WOULD SERIOUSLY RECOMMEND IT NOT BE PURCHASED. *TR
TPMS / TIRE VALVE STEM LEAKED AIR FROM TIRE. THIS IS THE SECOND TPMS OCCURRENCE WITHIN LAST 2 MONTHS (FROM 2 DIFFERENT SENSORS). SERVICE SHOP SAID THAT IT WAS CORRODED. *TR
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
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