While driving on a freeway for about 15 minutes at 65 MPH, the MIL indicator started blinking. The vehicle began to rapidly shake, while the engine power decreased significantly. The engine dramatically went from 65 mph to 35 mph causing a safety hazard while driving on the freeway as we attempted to exit and pull over safely. The vehicle is a 2021 Acura RDX and is driven approximately 10,000 miles per year. All maintenance has been performed in accordance with the manufacturer's schedule. It has not been involved in any collisions or other user risk other than normal driving in accordance with the approved use of the vehicles. Upon trying to restart the vehicle, the vehicle continues to violently shake while in park. Notification lights indicating Brake Failure, AWD failure, Check Emissions System, etc. There were no other indicators that there was an issue with the vehicle prior to this instance on 4/20/2024. In fact, the vehicle was viewed by Cerritos Acura for its regularly schedule service on 4/10/2024 and no issues were identified by the dealer. As far as safety, we were traveling with two young children and the location of the freeway did not have a safe place to pull over. The sudden reduction in speed also put us in risk with surrounding vehicles. This appears to be related to TSB 20-053, however, no communication have been identified or communicated by the dealers to the the owner/operator of the vehicle.

- Lakewood, CA, USA

Since buying this car I-??ve had a few occasions where the car has not slowed down and feels like the transmission is pushing the car more than it should under hard breaking.

- Overland Park, KS, USA

While sitting in a long row of stopped vehicles at a traffic light for an extended amount of time due to an accident I had the Automatic Brake Hold feature activated { I did not have to have my foot on the brake while sitting still) as well as the Auto Idle Stop OFF button meaning {the engine shuts down when you come to a stop.} Apparently, the Brake Hold feature timed out with no warning whatsoever and because the vehicle moved forward the Auto Start Stop feature activated at the same time and the vehicle lurched forward rear ending a new expensive SUV in front of me. The impact was hard due to the quick lurch of my vehicle. I have damage to the front of my vehicle and all of the electronic features started flashing including the emission control. The driver advised she was very shaken up and if a pedestrian or bicyclist had been in front of us it could have been very tragic.The vehicle is being towed to A local Acura dealer for evaluation and I have a Case number assigned by Honda with no case manager assigned yet. There were no warning lights/lamps at all prior to the vehicle Brake Hold timing out and further searching through the manual only says it times out after 10 minutes but does not advise what happens when that happens or what warning will be used.

- Ft Myers, FL, USA

Rear brakes: Rear brakes and rotors make odd noise or extraordinarily high pitched screeching sounds coming from outside the car when your brakes are applied. When using brakes in reverse the noise is very load. This happens when all the time wither the vehicle is cold or warm. Driver must use additional force to stop vehicle while in reverse. I have made numerous complaints to the dealership, they are aware of the ingoing problem with the 2021, but they currently do not have fix for the problem. I have concerns that the brakes will fail while reversing out of parking spaces and leaving my home daily.

- Conroe, TX, USA

2021 Acura Rdx Sh-awd purchased brand new. Rear brakes squeak very bad. Have taken car back to the dealer and contacted Acura several times, but still have yet to receive any resolve/resolution. Brakes started squeaking very loud when car was moving @ low speeds. & when vehicle was coming to a stop. Brakes started squeaking when the car was only a few weeks old and continue to presently squeak. Afraid this is compromising wear of the brakes. I, as a consumer don't want to be financially responsible for a manufacturer's error that they won't resolve.

- Palmdale, CA, USA

All software systems failed, disabling the vehicle. Error messages included failure in braking, steering, and other vital systems. Acura roadside assistance determined that the car had to be towed to the nearest dealer. The dealer confirmed the issue was a "DTC P061B PCM internal malfunction" and performed a "PGM-FI software update to correct the issue." The vehicle was completely disabled, and we were 4 1/2 hours from the nearest dealership. There were no warnings or communications prior to the incident.

- Monument, CO, USA

Brakes are squeaking very bad

- Schiller Park , IL, USA