The automatic braking system activates randomly when merging onto a highway if you do not have your signal activated, and cross a lane line, at the moment you merge onto the highway. I understand that it is the law that you must signal a lane change, however failure to do so should not result in the vehicle slamming on the brakes, especially when you are attempting to increase speed merging onto a highway. When this happens, it is incredibly dangerous. On [XXX] at [XXX] p.m. I was merging onto [XXX] from [XXX] in Illinois. As I was merging onto [XXX], the emergency braking system slammed on the brakes, and alerted me of a possible collision. The car behind me almost ready ended me. The roadway was free and clear. This occurred as I was passing through the lane markings from the on ramp to the expressway. I do not remember if I had my signal on. I do not have exact dates when each of these incidents have occurred, but is happened at least 5-6 times in the year that we have owned the car. There is an ongoing investigation by the federal safety agency for Honda's emergency braking system, which according to this article has been expanded to 2023 model years including Odyssey [XXX]). I think the investigation should be expanded to include 2024 model years as well. If any other information is needed please let me know. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
2024 Honda Odyssey driver assistance complaints
Page 2 of 2: complaints 11 to 15 of 15, newest first, as owners wrote them.
Vehicle start up diagnostics show multiple failures, including ABS, e-steering, emergency braking, adaptive speed control. Dealership found a problem with the right rear ABS sensor. The sensor wire harness was severed. The harness showed damage in multiple places (see photos). Besides being severed, it showed another deep cut and a place where the outer plastic sheath was cut away. The loss of ABS sensor made the vehicle exhibit poor handling including braking. The vehicle has only 4000 miles and is in pristine condition with no damage.
At speed less than 25 mph, the Collision Mitigation Braking System (CMBS) did not work. At cross roads this CMBS will not work when a vehicle comes from the side. This will work only if it detects the vehicle's presence in front for more than 3-5 seconds. Will not activate during sudden presence of vehicle at any speed.
This car continues to slam on the automatic brakes when there is no obstruction. There is no car in front of me today. It almost caused a major accident.
This vehicle has a feature that displays the posted speed limit on the dash display. The dealership, McGrath Honda in St. Charles, IL has told me this information is gathered by the camera system. Periodically the vehicle will pick up the Highway number sign and use that to display the speed limit. In the attached pictures it shows that we were driving on Highway 110 in Illinois and then the display showed that the speed limit was 10 MPH, which then changed to 110 MPH. Another example, for which we don't have pictures, was when we were driving on Highway 38 in Illinois and the display shows a speed limit of 35 MPH. When this occurred we were not familiar with the area and slowed to 35MPH which caused vehicles behind us to slow down, get very irritated, demonstrate their irritation using hand signals, etc. We resumed the real speed limit, 55MPH after we saw the next speed limit sign. We have had this inspected by the dealership, which performed a hard battery reset that did not fix the issue. The manufacturer, Honda of North America, does not wish to address this issue as ascertained via chat with them. There are no warning signs, the display changes to fictitious speed limits when the camera system picks up road signs other than speed limit signs.
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