The contact owns a 2024 Volkswagen Atlas Cross Sport. The contact stated while driving 80 MPH with the cruise control activated, the ADAS system misread the highway speed limit, and the vehicle suddenly decelerated. There were no warning lights illuminated. The vehicle was driven at various speeds with the cruise control activated; however, whenever the vehicle detected a traffic sign, the vehicle adjusted to the sign image; however, while school was not in session, the ADAS system adjusted the cruise control to the speed limit on the road sign. The vehicle was then taken to a dealer where it was diagnosed with software system failure. The vehicle was repaired, and the software was reset; however, the failure persisted. The manufacturer was not made aware of the failure. The failure mileage was approximately 10,640.

- Sioux Falls, SD, USA