2024 Honda HR-V Driver Assist & ADAS Problems

While driving, the car did an automatic hard brake for no reason. Traffic was accelerating after being stopped at a red light. The car in front of me was not braking and was accelerating away from me when suddenly the car hard brakes with no warning beforehand. It braked hard enough to throw me forward and cause traffic behind me to have to hard brake in order to keep from rear-ending me. There was an on ramp coming in near me but again that traffic was not in my lane. I have not complained to the dealership yet so it has not been reviewed and I have no reports since an accident did not happen. There were no warning lamps or messages before the event; although the brake light came on when the hard brake occurred, but not before. This was the first time it has occurred since purchasing the car about a year and a half ago. It was terrifying. It’s an hour later and I’m still shook up.

Vehicle has been brought to dealership multiple times due to messages coming up on dashboard stating road departure mitigation system problem. See your dealer and Collision mitigation breaking system problem. See your dealer. Each time the car has been taken in the dealership has stated that the problem cannot be duplicated or replicated and no error codes found. Vehicle is operating as manufactured. Detailed have been requested. On one occasion the dealership stated the vehicle would be needed for multiple days but tried to return it the next day. After calls were ignored for days for answer the vehicle was returned covered in ice and windshield wipers not in the proper position. There is believed to be minor damage in the drivers side wiper. After the message came up again the dealership has stated they have exhausted all attempts to diagnose issue and will no longer work on the vehicle. Multiple attempts been made to gain American Honda's participation but they have not proactively participated. The car has also attempted to leave the lane/road on to occasions. This seems connected to the Honda Sensing probe NHTSA has expanded to include 2020-2022 Honda CR-V and Accord. This message was received yesterday and today upon start up and putting the car into gear.

The vehicle keeps displaying a dashboard notification indicating "Road departure mitigation system problem. See your dealer. The vehicle was most recently brought back from the dealer and after about 100 miles the car displayed this message again. The dealer continues to maintain there are no codes found and issue is not duplicated. The vehicle on two occasions has tried to depart the lane on the highway with well marked lanes. I have ask numerous times for more information about attempts to duplicate and what codes should be displayed. This message has shown up around 20 times at this point. This is very concerning and poses a serious safety concern. Photos are from two instances. This message only comes up for a few seconds. The computer is failing to record this and I am being told there is noting that can be done since it cannot be duplicated. I have the photos and have experiences attempts by the vehicle to leave the lane. This is a hazard that could lead to injury or path of an vehicle occupants or general public. Please assist before injury or death occurs. There maybe an effort by both Honda and the dealership to conceal this issue as I do not believe that is not being duplicated even if there are no codes. There being no codes registered is in itself a sign that there is a problem with the computer as there is photographic evidence.

When I'm driving, the safety brake has engaged while I was already braking. Also the emergency brake system has engaged while no car was on front of me. The closest car was on a side street, braked, and waiting for me to pass so they could onto the street after me.

While on cruise control on the freeway, car suddenly decelerated 20+ MPH. There was nothing ahead of me on the road at the time, no cars, no debris or construction materials, nothing. I was nearly rear ended. Car has not been inspected yet. Many alerts go off on the dash for unexplained reasons - that various safety mitigation systems are offline due to debris on windshield for example, when the windshield is totally clean. But there were no alerts prior to this deceleration at all. Drivers side speaker shorts out intermittently. Car is available for inspection on request. I haven't used cruise control since this incident.

For the second time, while driving normally, with no obstructions in my lane ahead of me, my car’s collision mitigation system abruptly and harshly hit my brakes while warning sounds deployed. This was enough to cause me and my passenger to leap forward in our seats; thankfully we were wearing our seatbelts. I have not been to the dealership yet for this issue, but will tell them at my first oil change. I’m really angry because the jolt this faulty sustem gave us was enough to trigger a panic attack or even a heart attack.