BRAKE LIGHTS COME UP INTERMITTENTLY, ESPECIALLY WHEN TEMPERATURE IS LOW. ALSO, FRONT RADAR SENSOR SYSTEM MALFUNCTION AND SMART BRAKE SYSTEM MALFUNCTION WARNINGS COME UP ALSO,. THIS IS DURING THE DRIVE.
2016 Mazda CX-9
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2016 Mazda CX-9 do not stand out strongly from the model-year median of 61.
About this comparison →How this year compares
Owner complaints by model year
Compare all CX-9 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
29 reports with mileage · 75 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.
- Engine. Review the 65 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
14 reportsDRIVING TO WORK IN THE MORNING AT 5:45AM ON 06/05/2018 GOING 65 MPH AND MY CAR CUTS ENGINE POWER AND STARTS LOWLY DECLINING PRESSING GAS DID NOTHING AND MULTIPLE NOTIFICATIONS FLASHING SUCH AS VEHICLE SYSTEM MALFUNCTION, FORWARD SMART CITY BRAKE SUPPORT MALFUNCTION, SMART BRAKE SYSTEM MALFUNCTION. I HAD TO PULL OFF TO THE SIDE O…
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DRIVING TO WORK IN THE MORNING AT 5:45AM ON 06/05/2018 GOING 65 MPH AND MY CAR CUTS ENGINE POWER AND STARTS LOWLY DECLINING PRESSING GAS DID NOTHING AND MULTIPLE NOTIFICATIONS FLASHING SUCH AS VEHICLE SYSTEM MALFUNCTION, FORWARD SMART CITY BRAKE SUPPORT MALFUNCTION, SMART BRAKE SYSTEM MALFUNCTION. I HAD TO PULL OFF TO THE SIDE OF THE HIGHWAY I CAN'T EVEN SAY I CAN PULL OFF SAFELY BECAUSE ALL POWER WAS CUT. SO LET THE CAR SIT FOR 5 MINUTES WHILE OFF AND THEN RESTARTED AND WAS ABLE TO MAKE IT WORK. I TOOK PICTURES AS EVERYTHING WAS HAPPENING BECAUSE I KNOW THE DEALER SHIP WILL SAY SOMETHING LIKE "WELP IT AIN'T HAPPENING HERE SO YOUR CAR IS FINE." I AM VERY FORTUNATE WHEN I BOUGHT THE CAR I DECIDED TO LEASE THE VEHICLE SO I CAN JUST TAKE THE CAR BACK. THESE MALFUNCTIONS SEEM LIKE A VERY SEVERE PROBLEM AND I DO NOT WANT TO HANG ON TO THE VEHICLE. ONCE 30K PASSES I WILL BE SUPER SCREWED! I CALLED DEALER SHIP AND THEY ARE BOOKED OUT 2 WEEKS SO I CANT EVEN TAKE THE CAR IN RIGHT AWAY, PLUS THEY AREN'T EVEN SURE IF THEY'LL HAVE A RENTAL FOR ME WHEN I DROP IT OFF. ALSO TO MENTION, AC UNIT ALREADY HAD TO BE REPLACED, AND A SUSPENSION RECALL. WORSE CAR I'VE HAD SO FAR ITS SUCKS BECAUSE MAZDA USED TO BE SO GREAT. THEIR SERVICE DEPARTMENT SUCKS BIG TIME! I NEVER HAD THIS TYPE OF SERVICE OR ISSUES THIS SEVERE WITH MY CHEVY. 08/07/2018 I TOOK CARE IN AGAIN FOR SAME SITUATION ALONG WITH AC AND ALL MAZDA TELLS ME IS THEY ARE LOOKING INTO AND ASSURE ME IT WILL BE TAKEN CARE OF THIS TIME. (ALSO SAID LAST TIME) I THINK THAT THEY DO NOT KNOW HOW TO FIX THE ISSUE! I CALLED CORPORATE TO ASK FOR A REFUND AND GIVE THE CAR BACK AND ALL THE TOLD ME WAS TO GIVE DEALERSHIP ANOTHER CHANCE TO FIX THE ISSUE. IT IS SO UNSAFE TO DRIVE AND HAVE KIDS IN THE CAR, I AM VERY FORTUNATE TO NOT HAVE MY BABY NEPHEW AND NIECES WITH ME WHEN THESE THINGS WERE HAPPENING.
THE INFOTAINMENT SCREEN CONTAINING THE BACKUP CAMERA GOES BLANK . THE CAR HAS 16000 MILES ON IT AND HAS HAD THIS PROBLEM SINCE NEW. THE DEALER HAS THE CAR MULTIPLE TIMES AND HAS NOT FIXED THE PROBLEM. RESEARCH ON THE INTERNET REVEALS THAT THERE IS A MAJOR ISSUE WITH MANY MAZDA VEHICLES. THIS PROBLEM HAPPENS ON STARTUP AND WILL C…
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THE INFOTAINMENT SCREEN CONTAINING THE BACKUP CAMERA GOES BLANK . THE CAR HAS 16000 MILES ON IT AND HAS HAD THIS PROBLEM SINCE NEW. THE DEALER HAS THE CAR MULTIPLE TIMES AND HAS NOT FIXED THE PROBLEM. RESEARCH ON THE INTERNET REVEALS THAT THERE IS A MAJOR ISSUE WITH MANY MAZDA VEHICLES. THIS PROBLEM HAPPENS ON STARTUP AND WILL CONTINUE TILL SHUTOFF . IT MAY OR MAY NOT COME ON UPON RESTART
IMMEDIATELY UPON MAKING A SHARP RIGHT TURN INTO A PARKING SPOT, THE CAR SUDDENLY ACCELERATED AT A VERY FAST PACE WITHOUT ME PUSHING THE GAS PEDAL. MY IMMEDIATE REACTION WAS TO PRESS ON THE BRAKE, BUT IT DID NOT STOP. THE CAR SLAMMED INTO A PLANTER IN FRONT OF ME. THE CAR MOVED SO QUICKLY THAT IT WAS LODGED INTO THE BUSHES AND …
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IMMEDIATELY UPON MAKING A SHARP RIGHT TURN INTO A PARKING SPOT, THE CAR SUDDENLY ACCELERATED AT A VERY FAST PACE WITHOUT ME PUSHING THE GAS PEDAL. MY IMMEDIATE REACTION WAS TO PRESS ON THE BRAKE, BUT IT DID NOT STOP. THE CAR SLAMMED INTO A PLANTER IN FRONT OF ME. THE CAR MOVED SO QUICKLY THAT IT WAS LODGED INTO THE BUSHES AND HAD TO BE PULLED OUT BY A TOW TRUCK. I IMMEDIATELY CALLED THE DEALER SERVICE DEPARTMENT AND TOLD THEM WHAT HAPPENED. THE SERVICE MANAGER'S IMMEDIATE REACTION WAS TO SCOFF AT THE IDEA THAT THE CAR ACCELERATED ON IT'S OWN. MY HUSBAND MET ME AT THE DEALER AND HAD SUBSEQUENTLY FOUND INFORMATION ABOUT A RECALL OF CX-9 MODELS FROM 2012 FOR A SIMILAR MALFUNCTION. HE SHOWED IT TO THE SAME MANAGER WHO IMMEDIATELY KNEW THE ISSUE OF THE RECALL BUT WAS QUICK TO MENTION IT WAS THE 2012 MODEL, NOT THE 2016. THE DEALER KEPT THE CAR FOR A FEW DAYS AND TOLD ME IT WAS DRIVEN TWICE AND ALSO SOME INFO FROM THE COMPUTER WAS REVIEWED WITH MAZDA TECH SUPPORT PERSON. NO DATA INDICATING ANY KIND OF MALFUNCTION IN THE CAR AND THE SERVICE GUY DID NOT HAVE A PROBLEM WITH IT IN TWO SHORT TEST DRIVES, SO THEY SAID COME PICK IT UP IT'S SAFE TO DRIVE. HOWEVER, I WILL NEVER DRIVE THIS CAR AGAIN. THIS IS THE FULLY-LOADED SIGNATURE CX-9 THAT THEY FEATURE IN ALL THEIR ADS. I LOVED THIS CAR AT FIRST SIGHT AND DROVE IT OVER 24000 MILES IN LESS THAN 2 YEARS. THIS EXPERIENCE SCARED ME TO THE POINT THAT I WILL NEVER DRIVE THIS OR ANOTHER MAZDA AGAIN. I HAVE HAD OVER A WEEK TO PROCESS THIS EXPERIENCE AND AM JUST HAPPY MY KIDS WEREN'T IN THE CAR OR THAT I DIDN'T HIT SOMEONE. I HAVE FOUND SEVERAL OTHER INSTANCES OF SUDDEN UNINTENDED ACCELERATION ONLINE AND CANNOT BELIEVE THAT THIS HAPPENS IN 2017. I HOPE THAT THIS DOCUMENTATION HELPS SOMEONE ELSE IN MY SHOES FEEL THAT THEY ARE NOT CRAZY AND THIS DOES HAPPEN. SHAME ON MAZDA FOR NOT FULLY ADDRESSING THIS ISSUE.
Official recalls
0No recalls in this snapshot.
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
0No exact-year investigations in this snapshot.
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