2026 MAZDA CX-5 Complaints

This report concerns the design of the front seat belt reminder system, which I believe creates a safety hazard. The audible warning begins the instant the engine starts — while the vehicle is stationary in Park — is very loud, and repeats indefinitely until the belt is latched. Federal Standard No. 208 requires only a short warning (up to 8 seconds); this immediate, persistent chime is a voluntary design choice. Other manufacturers (e.g., Honda) meet the same standard while chiming only once the vehicle is in motion, which is sufficient and far less intrusive. The safety problem: because the warning is so aggravating, owners are defeating their own seat belt systems. Owners across the Mazda lineup — CX-5, CX-30, CX-50, CX-90, Mazda3, and Mazda6 — publicly document this on owner forums ([XXX], [XXX], [XXX], [XXX], [XXX], [XXX]) and in TikTok and YouTube tutorials. Common methods include cutting or de-pinning the buckle-latch wire so the car always reads as belted, and installing uncertified seat belt extenders or dummy buckles. The buckle-latch signal feeds the airbag/SRS control module and affects airbag and pretensioner deployment, so these workarounds degrade crash protection. NHTSA's own research notes that reminders annoying enough to be circumvented reduce seat belt use. Mazda has acknowledged the excessive chime volume in Technical Service Bulletin 09-002-24. The system operates as designed — the design itself is the hazard. Symptom: continuous chime and belt warning light at startup while in Park; vehicle available for inspection on request. I request that NHTSA review whether this reminder design induces unsafe circumvention and should be revised. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I was backing out of a parking spot in a parking lot that backed up to a 2 lane highway. I placed the car in Reverse and then put the car in Drive, so that I could exit the parking lot to a side road. When I placed the car in Drive and pressed gas, the car went into Reverse (towards the 2 lane highway behind me). I placed the car in park, then back to Drive, it went in Reverse again. We were now in the 2 lane highway with oncoming traffic swerving to avoid us. We decided to put the car in park and turn off the car. Then, we restarted and place the car in Drive. It went into drive and we moved forward into the parking lot, off the highway and then we could exit the parking lot and drive home.

The windshield of my 2026 Mazda CX-5 suddenly fractured and developed a severe crack without any external road hazard or heavy stone impact. Under micro-photography, the root of the crack presents as a smooth, continuous stress fracture ("white line") with no physical crater or concentric shattering pattern. The authorized Mazda dealer and Safelite AutoGlass provided entirely contradictory diagnostic locations regarding the alleged "impact point," proving the source of the failure is highly ambiguous. On this vehicle, a standard, everyday micro-pit from normal road dust triggered a catastrophic structural fracture across the glass. This is a disproportionate failure indicating excessive internal manufacturing residual stress or structural pressure from the vehicle frame rather than owner wear-and-tear. Furthermore, this severe fracture directly obstructs the driver's forward vision and threatens the calibration and safety functionality of the i-Activesense forward-facing safety cameras mounted behind the rearview mirror, creating a sudden, severe driving safety hazard.

At approximately 2,900 miles, during the first oil change/service, the factory-installed spin-on oil filter could not be removed normally. The oil filter required approximately one hour of removal effort and would not spin off in a normal manner. When the filter was finally removed, the oil filter threaded adapter/union came out of the engine-side oil filter housing while still seized inside the oil filter. The adapter threads showed visible damage, including flattened, galled, and torn thread areas. The oil filter was seized tightly enough to the adapter that the oil filter had to be cut away from the adapter to separate the parts. The adapter was removed from the filter without adding further damage. The damaged adapter threads were cleaned/chased only as a temporary repair because the vehicle was needed for work and parts were not immediately available over the weekend. A new correct replacement oil filter was test-fitted to the adapter. It threaded fully onto the adapter by hand but had slight binding in the previously damaged thread area. The filter was installed, the engine was started, and the assembly was checked for leaks. No leak was observed during the temporary service check. However, the adapter remains damaged and should be replaced. This appears to be a manufacturing, assembly, or original filter installation issue, because the vehicle had only approximately 2,900 miles and the factory-installed oil filter was seized to the oil filter threaded union. The filter should not be seized to the adapter at this mileage, and the threaded adapter should not be pulled out of the engine-side housing during normal oil filter removal. The concern is that a damaged or improperly threaded oil filter adapter could cause oil filter sealing failure, oil leakage, loss of engine oil pressure, engine damage, or an oil leak onto the roadway. The damaged threaded oil filter adapter/union should be documented as a factory/dealer assembly defect.

About a week ago, a "telematics error" message displayed, a single red light on the SOS button turned on, and it started beeping loudly. This has repeated multiple times. In this state the vehicle cannot automatically summon emergency help following a crash, and I cannot manually trigger an SOS call. More recently, June 17th, a new symptom has occurred. Vehicle's touchscreen display would not turn on. This display is required to access heating/cooling features including defrost/defog, and is used to show the backup camera. The dealer has informed us that these issues were all caused by a manufacturer-initiated over-the-air software update. We are currently scheduled to have a new software update installed to replace it on June 22nd.

I leased a brand new vehicle on June 8th. On June 12th, I took it to the dealer's service center because of a warning message, accompanied with a loud chime that said: "Emergency Call Unit Malfunction", the SOS red light was also on. I picked the car up today, June 15th. Shortly leaving the dealership, I was driving on the freeway crawling traffic with my husband and 4 year old child in the vehicle. Suddenly, the service/wrench icon started flashing on the dashboard, and the car's engine completely died and stalled while we were moving on the highway. At the exact second the engine died, dash and infotainment screen went completely black, the A/C shut off as well. I instantly lost my speedometer and all safety alerts while stuck in traffic. I was still stepping on my brakes, and turned my hazard lights on so we could pull over to safety. Screens went back on and engine came back on. We were fortunate to be by the nearest exit and took it. The screens went back on, but service light was still flashing. We were able to drive the car to Mazda, and was provided a loaner car. This is a massive safety issue and hazard that put my family in immediate danger on a busy highway just following a dealer service.

We are having concerning issue with Mazda CX 50, 2026 hybrid. not going into reverse gear or stopping unexpectedly after attempting to shift to reverse. We recently took the vehicle to the Mazda dealership where we bought it.: Luther Mazda in [XXX]. After repeated attempts, they said they had no way to address the problem since they couldn’t re-create it. We reiterated that it just happened several times to us, but we cannot re-create it on demand. I sent the dealership the following information from the Internet, that was posted about the 2025 model having the same issue as our new 2026 is having. Factory Transmission Software Mode     •    Recall Numbers: NHTSA ID 25V487000 (approx.) early production CX-50 Hybrid units were shipped to dealerships with their software accidentally locked in a specialized "factory testing mode". [1 ([XXX])]     •    Safety Impact: When trapped in this mode, a driver can shift the vehicle directly into Drive or Reverse without depressing the brake pedal, which violates federal safety standards and poses a roll-away or sudden acceleration risk. [     •    The Remedy: Dealers must replace the Engine Control Module (ECM), reprogram the Power Control Unit (PCU) and Hybrid Control Unit (HCU), and use a proprietary diagnostic tool to formally deactivate the factory mode at no cost. [1 ([XXX])] We sent our dealer list, but they still say they cannot do anything for now to resolve the situation with our 2026 model. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I am reporting a severe safety defect on a brand-new Mazda CX-50 Turbo Premium Plus involving a complete failure and malfunction of the Advanced Driver Assistance Systems (ADAS), specifically the proximity, forward collision, parking collision, and automatic emergency braking sensors. The safety sensors continuously malfunction, creating an immediate and erratic hazard while driving. The chief concern is the risk of uncommanded, sudden automatic emergency braking at highway speeds, or the complete failure of critical safety warning systems during a real collision event.Upon identifying this safety risk, I contacted an authorized Mazda dealer to arrange an emergency repair. The dealership explicitly promised a loaner vehicle so they could hold my car safely for diagnostic testing. However, when I arrived, the dealership reneged on the loaner vehicle and refused to check the car into service.Instead, dealership sales and service personnel drove my vehicle into the service bay and instructed me to get inside the cabin. A staff member then entered the vehicle settings menu and manually muted the auditory safety alerts to conceal the active sensor malfunction warnings. I immediately protested, stating that muting a critical ADAS safety warning system was unsafe, did not diagnose or repair the defect, and put my life and public safety at risk. Despite my clear objections, the dealership's management instructed me that I must continue to drive the vehicle with the disabled/muted safety systems anyway and to bring it back if anything else happens.When I refused to accept this hazardous vehicle modification and sought alternative resolution, the dealership owner issued a written communication banning me from the property, entirely refusing to honor the manufacturer's warranty or perform mandatory safety repairs. The vehicle remains unrepaired and unsafe to operate on public roads due to random sensor failures, and the primary local dealer has outright refused service.

Complete software issues… 1-Yellow triangle with a red exclamation point 2-SOS alarm tone continuously goes off 3-Radio screen will freeze up, stop and restart to clear 4-Hey Google commands, will not turn AC off, Hey Google turn AC down, responds with turning the AC UP 4 degrees 5-Software turns off traction control 6-Extremely dangerous when Google does not work, and you have to look at the screen and not the road 7-Mazda has removed physical knobs for entertainment system, and AC system. With a failure of software this is dangerous 8-Why did Mazda put this model out for sale to the public, and NOT NOTIFY CUSTOMERS OF THIS POTENTIAL DANGEROUS ISSUE AT THE TIME OF SALE 9-In 2 months I have had to go back for service 3 times, with as many as 5 warning lights on the Custer at 1 time, all regarding software issues 10- Each time from the service department we get the… Mazda is aware of this issues but does not have a fix at this time 11- Paid $40,000 cash for this 2026 mazda cx5 premium, Is and or will this be considered lemon law in the state of Florida. 12- As of now the only fix is a hard reset by disconnecting the battery.

The vehicle's Automatic Emergency Braking (AEB) / Smart Brake Support system intermittently triggers "false positive" emergency braking events during critical driving maneuvers, specifically while accelerating to merge into highway traffic. During these events, the system violently applies the brakes with no external hazard present. Crucially, the vehicle fails to acknowledge driver override input. Depressing the accelerator pedal fully does not disengage the automatic braking, stripping the driver of vehicle control and exposing the vehicle to a severe risk of being rear-ended at high speed. Simultaneously, the vehicle experiences a persistent "In-Unit Telematics Malfunction" error on the dashboard, accompanied by rapid-fire mobile app notifications (14 alerts in a single day) stating "Critical Vehicle Malfunction: Vehicle cannot be driven." These communication module errors have persisted despite the dealership applying Mazda's latest software updates, indicating a critical network failure or hardware defect that compromises active safety systems.