The contact owns a 2024 Tesla Model Y. The contact stated that while driving at an undisclosed speed on the I-95 N to 175 W exit ramp, while approaching a traffic light in slow-moving traffic with the self-driving feature engaged, the vehicle failed to slow down as expected. To avoid a crash with the vehicle ahead, the contact veered to the right, leaving the roadway and traveling onto a slope and into the grass, where the vehicle struck a tree branch. There were no warning lights illuminated. A Police report was filed. There were no reported injuries or air bag deployment. The insurance company was notified of the issue. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was notified of the issue, and a case was opened. The failure mileage was approximately 19,891.