Adaptive Equipment problems of the 2018 Honda Accord

The vehicle had a sudden loss of function 1. Road departure mitigation 2. Collision mitigation 3. Adaptive cruise control 4. Braking system the vehicle was in motion at speed of 10-40mph, with air temperature of 28-32 degrees and snowy conditions. Honda has repeatedly refused to investigate numerous, potentially sw/hw - related issues that have been manifesting themselves in other parts of the vehicle. What happened today was a new set of symptoms, but with much higher severity and no obvious precedent. I have already had to disable the lane departure and the collision avoidance systems on this vehicle due to their erratic behavior. However, in this case the messages that have come up (will attache photos) demanded that the vehicle be taken to the dealer and the errors and message did not go away upon multiple restarts of the vehicle. Upon arrival to the dealer, it was indicated to me that Honda is aware of some of the other issues I've been experiencing with the vehicle and still (months hence) does not have a fix, and that Honda has, essentially, been resorting to testing their vehicle on the customers, instead of more rigorous pre-release testing, instead choosing to use the dealers as a quasi-test/r&d department. The multiple safety system failure I experienced today is a pretty clear indication of that. I have filed another complaint with nthsa related to the other issues and would urge you to initiate a recall on all of the Honda Accords (and possibly odysseys and pilots as they share some of the sub-systems) for the 2018, 2019 and the coming 2020 models.

After being parked in a friends driveway for several hours I proceeded to open my car and drive home. First remote control would not open doors, after several tries it open the driver door only, upon turning ignition on a series of warning indicating the adaptive cruise control system automatically disables itself, all collision mitigation functions stop working, series of warning see pics appear on display to see dealer, all windows and truck will not function, turn signals and brake lights, rear view camera do not function, brake system msg appears on display. Turned off and on car with no success in restoring all functions as on two previous occasions. Drove car for 4 miles in this state felt it was dangerous for us and other drivers. This morning all has restored to normal. Called Honda dealer in el monte CA. Was told they did not know anything about this type of problem, was not able to book service call until middle of next week in researching online found Honda service bulletin 19-051 describing a software update to car modules to fix this problem. I believe that is really should merit a recall as it interferes with the safe driving of the vehicle. A recall will force Honda to inform its service dealers and instruct them on a prompt scheduling of required software upgrade to resolve this software defect affecting drivability of their flagship car.

The adaptive cruise control will randomly stop working when I approach a car on the interstate. Usually this will happen 1-3 times per 100 mile trip. I need the cruise control and have discovered that if I pull over, turn the car off, then turn it on again the cruise control will function again. Pulling off on the side of an interstate or exit ramp is hazardous. Apparently some people are putting their car in neutral while still driving on interstates, turning the car off, then on again.

I was driving my vehicle at 25 when it started showing three warnings " collision mitigation system failure, lane departure system failure, adaptive cruise control failure (see your dealer). I called my local hnda dealership in reading PA. They said they have received alot of these complaints and they think they Honda sensing system just freezes in the winter. It only snowed 5 inches a day prior to this event. Basically they said it will go away once its bit warmer and they have no factory recall. All the dealership could repeat " we are sorry". I looked all over the internet and I found 100s of similar complaint. My question is why they are not fixing it? why there has been no recall? the failure of this Honda sensing system defeats the main reason I bought this car along with many others.

While driving at highway speeds with acc (adaptive cruise control) enabled and lkas (lane keep assist) enabled and passing a car and another time an 18 wheel truck, the car suddenly and abruptly braked to slow down 5 mph. The road was straight and no cars were in front of me. This was a very dangerous situation because cars were behind me and they all had to react to slow down. T.