The engine shut off at a red light via Auto-Stop and failed to restart, leaving the vehicle stranded in active rush hour traffic until a manual restart of the engine was performed. This issue has occurred multiple times now.

Source: NHTSA complaint ODI #11764819 · view all complaints for this vehicle at nhtsa.gov

Auto Start/Stop At stop light car wouldn’t start after engaging Auto Start/Stop, had to turn on hazards, turn car off and restart with cars bearing down on me Monday 9/14, before entering traffic I stopped and Auto Start/Stop engaged but car wouldn’t start Got a jump and brought to dealership and they replaced starter motor

Source: NHTSA complaint ODI #11764541 · view all complaints for this vehicle at nhtsa.gov

Brakes are too soft . Hard to bring the car to a halt without crashing unless you are at very long distance . Brakes engage at a very low level . Dealer says everything is OK and can't do anything about it . Car is dangerous to drive.

Source: NHTSA complaint ODI #11746076 · view all complaints for this vehicle at nhtsa.gov

Hello! I am writing to report an urgent and serious safety failure involving my 2025 Acura MDX A-Spec and to request immediate investigation and action. The vehicle’s driver-assist systems - specifically the lane departure warning and forward collision warning - failed to operate. In addition, both the steering wheel and the accelerator became stuck, causing my vehicle to collide head‑on with oncoming traffic. These failures placed my life and the lives of others in immediate danger. I previously opened a case with Acura Contact and Client Relations (Case #16550271). To investigate my vehicle failures that caused this major accident, the response I received was inadequate and deeply concerning. During my conversation with Acura representatives, I was told verbally without any willingness to provide this statement in writing that Acura “has nothing to do with inspecting their own car.” Instead, I was instructed to have my vehicle inspected by my insurance company, despite the fact that they are not certified to evaluate Acura safety systems and do not possess the diagnostic equipment required to assess failures of this nature. Given the severity of the malfunction and the resulting collision, I am requesting that Acura immediately arrange a proper inspection by qualified Acura technicians and provide a written explanation of how such critical safety and control systems could fail simultaneously.

Source: NHTSA complaint ODI #11757146 · view all complaints for this vehicle at nhtsa.gov

(1) My airbag's did not deploy when an another car drove into the front of my car causing extensive damage. It has been deemed a total loss by Liberty Mutual (claim #[XXX]) and will be towed in a day or two to their salvage yard from the auto body shop. (2) Based on what I was told by the claim adjuster, body shop and police they didn't understand why they didn't deploy, especially since one of the air bag sensors was directly in front of the impact. (3) No - Acura has not been easy to communicate with and assigned me a case #[XXX] but after I answered their questions by email a few days ago they have stopped communicating with me. (4) The car has been inspected by the body shop and Liberty Mutual. (5) No INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Source: NHTSA complaint ODI #11662340 · view all complaints for this vehicle at nhtsa.gov

The vehicle developed repeated front‑end structural and steering problems shortly after purchase. During normal driving, it produced loud popping, creaking, and clunking noises when turning, entering driveways, or driving over small inclines. Steering felt inconsistent and the front suspension felt unstable. These symptoms created a serious risk of loss of control. A dealer confirmed the problem multiple times and replaced several major components, including the left front strut, the left front lower control arm, and the front shock absorber fork. The most serious finding was cracked welds in the front subframe, requiring the entire subframe to be replaced. A cracked subframe weld is a structural failure that can affect steering stability and crashworthiness. The issues were reproduced and documented by the dealer on multiple visits. The manufacturer’s engineering team was involved due to the severity and difficulty of diagnosis. Despite repeated repairs and extended time out of service, the same steering and suspension symptoms continued, and the vehicle was returned multiple times with ongoing issues. There were no warning lights or messages before the failures. The defects occurred during low‑speed maneuvering and normal driving conditions. The vehicle did not perform like a safe, structurally sound new vehicle, and the repeated structural and steering failures pose a safety risk to occupants and others on the road.

Source: NHTSA complaint ODI #11751959 · view all complaints for this vehicle at nhtsa.gov

I am leasing a 2025 Acura MDX with approximately 16,000 miles, acquired new in June 2025. The A/C system has failed and only blows hot air. The vehicle is available for inspection. I first noticed reduced cooling Thursday evening, August 20, 2026. By Friday, August 21, when it was approximately 89°F, the A/C was no longer producing cold air. I restarted the vehicle twice and repeatedly turned the climate controls and A/C on and off, but only hot air came from the vents. No warning lights or messages appeared. I contacted Cerritos Acura on Friday and spoke with the Service Director. I explained the failure, but the earliest appointment offered was approximately a week and a half later. I asked if they could arrange service elsewhere or contact another Acura dealer for an earlier appointment, but both requests were declined. On Monday, August 24, I had to commute approximately two hours to work without A/C during heat advisory conditions. I became extremely overheated and was concerned I was approaching a heat-related medical emergency. I consider this a serious safety concern, especially for a nearly new vehicle. The problem has not yet been diagnosed because the dealer has not inspected the vehicle.

Source: NHTSA complaint ODI #11759382 · view all complaints for this vehicle at nhtsa.gov