The contact owns a 2019 BMW X3. The contact stated that on several occasions while driving at various speeds, the blind side indicators did not detect passing vehicles. The contact also stated that the lane departure feature, which vibrates and corrects the wheel, no longer worked as intended. The contact stated that there was a system indicator light on the dashboard that turned orange. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 35,000.